A B C D E F G H I J K L M N O
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[ 1]● ==> H8	[ 2]○ ==> H9	[ 3]● ==> H6	[ 4]○ ==> I10	[ 5]● ==> I6
[ 6]○ ==> I9	[ 7]● ==> G9	[ 8]○ ==> G8	[ 9]● ==> J11	[10]○ ==> I7
[11]● ==> I11	[12]○ ==> H10	[13]● ==> J10	[14]○ ==> J7	[15]● ==> G11
[16]○ ==> H11	[17]● ==> G13	[18]○ ==> H12	[19]● ==> H13	[20]○ ==> G10
[21]● ==> K6	[22]○ ==> F7	[23]● ==> E6	[24]○ ==> E10	[25]● ==> F10
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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]● ==> I11	[12]○ ==> H10	[13]● ==> J10	[14]○ ==> J7	[15]● ==> G11
[16]○ ==> H11	[17]● ==> G13	[18]○ ==> H12	[19]● ==> H13	[20]○ ==> G10
[21]● ==> K6	[22]○ ==> F7	[23]● ==> E6	[24]○ ==> E10	[25]● ==> F10