rct2  1.5 3.5
xxyy  -0.5 3.0
xxyy  1.5 2.0
abcd  1.0 4.5
ktkr  -2.5 1.5
abcd  2.0 2.0
rct2  3.5 -2.0
trya  2.5 -1.0
ktkr  1.5 3.5
trya  4.0 4.0