Puzzle number: 131663
width:  20
height:  15
solved_count:  1908
AVE_TIME:  '00:05:33'
ave_time_count:  176

top_values
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[5]
[2, 2]
[5, 2]
[1, 7]
[3, 6]
[5, 4]
[7, 1, 1]
[9, 1]
[9, 1]
[8, 1]
[7, 1]
[6, 1]
[5, 1]

left_values
[5]
[6]
[7]
[8]
[9]
[9]
[1, 7]
[2, 5]
[4, 3]
[6, 1]
[1, 5]
[1, 3, 4]
[9]
[8]
[4]
