7e17fe69f9 ^
1 2 3 4 5 6 7 8 9 10 11
[0,0,0] [1,2,3] [2,4,6] [3,6,9] [4,8,12] [5,10,15] [6,12,18] [7,14,21] [8,16,24] [9,18,27] NULL