Puzzle number: 20555
width:  44
height:  50
solved_count:  2670
AVE_TIME:  '00:01:06'
ave_time_count:  1878

top_values
[4]
[4]
[2, 2]
[2]
[3]
[1, 3]
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left_values
[]
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[]
[2]
[3]
[4]
[2, 1]
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[]
[1]
[1]
[2]
[]
[]
[1]
[1, 1]
[1, 1]
