Puzzle number: 21487
width:  50
height:  50
solved_count:  3970
AVE_TIME:  '00:00:39'
ave_time_count:  2624

top_values
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[]
[]
[1]
[1]
[1, 2]
[12]
[1, 1]
[1]
[]
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[]
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[]
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[]

left_values
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[]
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[]
[]
[]
[]
[]
[]
[1]
[1]
[1]
[1]
[3]
[1]
[1]
[1]
[1]
[1]
[6]
[2]
