865719 sk: a875 a5
Zeroes are dots here.
See there are 5 all-zero
and 10 non-zero groups.
16 groups are all together.
The rest is easy. There are
exactly 16-5-10=1 mixed.
.... .... .... ....
.... 5564 d215 5ff.
56c9 68f6 3f6d 12be
3ef2 c558 1f38 a875