A B C D E F G H I J K L M N O
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1 └┴┴┴┴┴┴┴┴┴┴┴┴┴┘
[ 1]● ==> H8 [ 2]○ ==> I9 [ 3]● ==> I6 [ 4]○ ==> G9 [ 5]● ==> J8
[ 6]○ ==> G8 [ 7]● ==> J9 [ 8]○ ==> G10 [ 9]● ==> G11 [10]○ ==> J10
[11]● ==> K8 [12]○ ==> J7 [13]● ==> I8 [14]○ ==> L8 [15]● ==> G6
[16]○ ==> H7 [17]● ==> K6 [18]○ ==> I10 [19]● ==> K10 [20]○ ==> K9
[21]● ==> I11 [22]○ ==> F9 [23]● ==> H9 [24]○ ==> H11 [25]● ==> E8
[26]○ ==> E10 [27]● ==> D11 [28]○ ==> F10 [29]● ==> H10 [30]○ ==> F11
[31]● ==> F12 [32]○ ==> D9 [33]● ==> C8 [34]○ ==> F8