A B C D E F G H I J K L M N O
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1 └┴┴┴┴┴┴┴┴┴┴┴┴┴┘
[ 1]● ==> H8 [ 2]○ ==> H9 [ 3]● ==> H6 [ 4]○ ==> I10 [ 5]● ==> I6
[ 6]○ ==> I9 [ 7]● ==> G9 [ 8]○ ==> G8 [ 9]● ==> J11 [10]○ ==> I7
[11]● ==> I8 [12]○ ==> K7 [13]● ==> J8 [14]○ ==> K8 [15]● ==> J9
[16]○ ==> J10 [17]● ==> K10 [18]○ ==> H7 [19]● ==> J7 [20]○ ==> K6
[21]● ==> K5 [22]○ ==> I12 [23]● ==> I11 [24]○ ==> K11 [25]● ==> F7
[26]○ ==> F9 [27]● ==> G6 [28]○ ==> J6 [29]● ==> H5 [30]○ ==> I4
[31]● ==> G5 [32]○ ==> G2 [33]● ==> F3 [34]○ ==> G4 [35]● ==> F6
[36]○ ==> E6 [37]● ==> F5