#    ____  ____  ____  ____  ____
# __|R   ||R   ||S   ||S   ||Z   |__
#
0 1 R
2 1 R
2 1 R
4 1 R
4 1 S
6 1 S
6 1 S
8 1 S
8 1 Z
10 1 Z
