e/---------------------3-0--------------------------------------------------------
b/----3-3-3----------------3-0-------------3-3-3----------------------------------
g/----2-2-2--2-2-2-------------2^-p0-------2-2-2--2-2-2---------------------------
d/-2--0-0-0--2-2-2----------------------2--0-0-0--2-2-2---------------------------
a/-2---------0-0-0----------------------2---------0-0-0--2--2--2--2---------------
e/-0------------------------------------0-----------------4--5--6--7--------------