[0,1,0,1,2,0,1,0]
[0,1,0,1,2,0,1,0]
[0,0,0,0,5,0,0,0]
[0,0,0,0,5,0,0,0]
[1,1,3,3,3,6,6,8]
[1,1,3,3,3,6,6,8]