2ii  . 1i   .   2i   .    1    .    2   .  1a  .  2a  .
1  -29  8 84  -8 -933 269    .   -7 -933 244  84 -8 -29 10
.   10 -3 -8   .  244 -93   -7 -456  269 -93  -8  .   8 -3
2    .  2 20  -2  -15  50 -102   79  -15 -28  20 -6   . -2
.   -2  . -6   2  -28  15   79   68   50  15  -2  2   2  .
2k   3  . 13 -14  -11   6 -122   84  -11  -8  13  .   3  .
.    .  .  .   3   -8  -8   84  139    6  -8 -14  3   .  .