-5 -5 -5 -5 -6 -6 -6 -6 6 6 6 6 7 7 7 7 -8 -8 -8 -8 -8 -8 -8 -8 -8
6 -5 5 4 -4 -4
-6 6 -5 5 5 5 6 -5 5 -4 -4
7 -7 7 -7 7
-4 -4
7 -7 7 -7 7
-4 -4
-6 6 -5 5 5 5 6 -5 5 -4 -4
7 -7 7 -7 7
-4 -4
7 -7 7 -7 7
-4 -4
-6 6 -5 5 5 5 6 -5 5 -4 -4
7 -7 7 -7 7
-4 -4
7 -7 7 -7 7
-5 -5 -5 -5 -6 -6 -6 -6 6 6 6 6 7 7 7 7 -8 -8 -8 -8 -8 -8 -8 -8 -8
Repeat from line 2.
Ending: 7 -7 7 -7 7 -6 X2 |