rank=3 dims=(6,12,4) chunks=(2,3,1)
[0/0][0/0][0/0] = 00 | -1 | -1
                  04 | -1 | -1
[0/0][0/0][1/1] = 01 | -1 | -1
                  05 | -1 | -1
[0/0][0/0][2/2] = 02 | -1 | -1
                  06 | -1 | -1
[0/0][0/0][3/3] = 03 | -1 | -1
                  07 | -1 | -1
[0/0][1/3][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][1/3][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][1/3][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][1/3][3/3] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][2/6][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][2/6][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][2/6][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][2/6][3/3] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][3/9][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][3/9][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][3/9][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[0/0][3/9][3/3] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][0/0][0/0] = 08 | -1 | -1
                  12 | -1 | -1
[1/2][0/0][1/1] = 09 | -1 | -1
                  13 | -1 | -1
[1/2][0/0][2/2] = 10 | -1 | -1
                  14 | -1 | -1
[1/2][0/0][3/3] = 11 | -1 | -1
                  15 | -1 | -1
[1/2][1/3][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][1/3][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][1/3][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][1/3][3/3] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][2/6][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][2/6][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][2/6][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][2/6][3/3] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][3/9][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][3/9][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][3/9][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[1/2][3/9][3/3] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][0/0][0/0] = 16 | -1 | -1
                  20 | -1 | -1
[2/4][0/0][1/1] = 17 | -1 | -1
                  21 | -1 | -1
[2/4][0/0][2/2] = 18 | -1 | -1
                  22 | -1 | -1
[2/4][0/0][3/3] = 19 | -1 | -1
                  23 | -1 | -1
[2/4][1/3][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][1/3][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][1/3][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][1/3][3/3] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][2/6][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][2/6][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][2/6][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][2/6][3/3] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][3/9][0/0] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][3/9][1/1] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][3/9][2/2] = -1 | -1 | -1
                  -1 | -1 | -1
[2/4][3/9][3/3] = -1 | -1 | -1
                  -1 | -1 | -1