249 lines
3.9 KiB
JSON
249 lines
3.9 KiB
JSON
{
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"walls": {
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"1,1": [
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"east"
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],
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"1,2": [
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"east"
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],
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"1,3": [
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"north"
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],
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"2,5": [
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"north"
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],
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"1,5": [
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"north"
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],
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"3,5": [
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"north"
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],
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"4,5": [
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"north"
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],
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"5,5": [
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"north",
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"east"
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],
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"2,3": [
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"north",
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"east"
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],
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"2,2": [
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"east"
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],
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"3,2": [
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"east"
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],
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"5,1": [
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"east"
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],
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"5,3": [
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"east",
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"north"
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],
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"4,4": [
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"east",
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"north"
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],
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"4,2": [
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"east"
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],
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"1,4": [
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"east"
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],
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"5,2": [
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"east",
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"north"
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],
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"3,1": [
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"north"
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]
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},
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"small_tiles": false,
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"rows": 6,
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"cols": 6,
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"tiles": {
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"6,1": [
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"mud"
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],
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"6,2": [
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"mud"
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],
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"6,3": [
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"mud"
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],
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"6,5": [
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"mud"
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],
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"6,6": [
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"mud"
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],
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"5,6": [
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"mud"
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],
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"4,6": [
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"mud"
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],
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"3,6": [
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"mud"
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],
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"2,6": [
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"mud"
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],
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"1,6": [
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"mud"
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],
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"6,4": [
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"grass"
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],
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"5,4": [
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"#000000"
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],
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"5,5": [
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"#000000"
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],
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"4,5": [
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"#000000"
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],
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"3,5": [
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"#000000"
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],
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"3,4": [
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"#000000"
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],
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"4,4": [
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"#000000"
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],
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"4,3": [
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"#000000"
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],
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"3,3": [
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"#000000"
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],
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"3,2": [
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"#000000"
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],
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"4,2": [
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"#000000"
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],
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"5,3": [
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"#000000"
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],
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"5,2": [
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"#000000"
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],
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"5,1": [
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"#000000"
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],
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"4,1": [
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"#000000"
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],
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"3,1": [
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"#000000"
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],
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"2,1": [
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"#000000"
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],
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"2,2": [
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"#000000"
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],
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"2,3": [
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"#000000"
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],
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"2,4": [
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"#000000"
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],
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"2,5": [
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"#000000"
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],
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"1,5": [
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"#000000"
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],
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"1,4": [
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"#000000"
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],
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"1,3": [
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"#000000"
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],
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"1,2": [
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"#000000"
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],
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"1,1": [
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"#000000"
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]
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},
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"goal": {
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"possible_final_positions": [
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[
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6,
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4
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]
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],
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"position": {
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"image": "racing_flag",
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"x": 6,
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"y": 4
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}
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},
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"robots": [
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{
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"x": 3,
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"y": 4,
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"objects": {},
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"model": "classic",
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"_orientation": 3,
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"_is_leaky": true,
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"_prev_x": 3,
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"_prev_y": 3,
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"_prev_orientation": 2,
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"_trace_history": [
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{
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"color": "seagreen",
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"thickness": 2,
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"prev_x": 140,
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"x": 140,
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"prev_y": 170,
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"y": 210,
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"grid_x": 3,
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"grid_y": 3
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},
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{
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"color": "seagreen",
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"thickness": 2,
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"prev_x": 140,
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"x": 140,
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"prev_y": 200,
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"y": 210,
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"grid_x": 3,
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"grid_y": 3
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}
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],
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"_trace_style": "default",
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"_trace_color": "seagreen",
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"__id": 80,
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"initial_position": [
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3,
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3
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]
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}
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],
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"description": [
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"",
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"<h1>Lost in a maze</h1>",
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"<p>Reeborg was exploring a dark maze and the battery in its flashlight ran out.</p>",
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"<p>Write a program using an <code>if/elif/else</code> statement so Reeborg can find the exit. ",
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"The secret is to have Reeborg follow along the right edge of the maze, ",
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"turning right if it can, going straight ahead if it ",
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"can’t turn right, or turning left as a last resort.</p>",
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"<h3>What you need to know</h3>",
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"<ul><li>The functions <code>move()</code> and <code>turn_left()</code>.</li>",
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"<li>Either the test <code>front_is_clear()</code> or <code>wall_in_front()</code>,",
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"<code>right_is_clear()</code> or <code>wall_on_right()</code>, and <code>at_goal()</code>.</li>",
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"<li>How to use a <code>while</code> loop and <code>if/elif/else</code> statements.</li>",
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"<li>It might be useful to know how to use the negation of a test (<code>not</code> in Python).</li></ul>",
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"DIFFICULTY4",
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""
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]
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}
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