Reading entry from 0x15ea280 ... 
4 entries stored in matrix at 0x15ea4c0.
matrix at 0x15ea4c0 ...
    1     8     7     1 
Reading entry from 0x15ea280 ... 
5 entries stored in matrix at 0x15ea620.
matrix at 0x15ea620 ...
    1     8     7     5     6 
Reading entry from 0x15ea280 ... 
6 entries stored in matrix at 0x15ea7d0.
matrix at 0x15ea7d0 ...
    1     8     7     6     7 
    9 
Reading entry from 0x15ea280 ... 
7 entries stored in matrix at 0x15ea9d0.
matrix at 0x15ea9d0 ...
    1     8     7     5     6 
    9     7