push 4 4
1  0 0 0
0  c s 0
0 -s c 0
0  0 0 1

push 4 4
d 0 -t 0
0 1  0 0
t 0  d 0
0 0  0 1

mult push 4 4
e  t 0 0
-t e 0 0
0  0 1 0
0  0 0 1

mult pop