896363 sk: 535c b5
Zeroes are dots here.
See there are 5 all-zero
and 11 non-zero groups.
16 groups are all together.
The rest is easy. There are
exactly 16-11-5=0 mixed.
Those mixed you shall
see easily:
.... .... .... ....
.... 957f d857 5cda
76d9 8a1b e935 d9bd
4dfc a1cd ab61 535c