I----4-----3-----2-------0-------2---I
I--------------------------------0---I
I-/4---4-3---3-2---2-0h1---------2---I
I--------------------------------1---I
I--------------------------0-1-2-----I
I------------------------------------I

I------0-3b-0----------------------2---I
I--0-3--------3-0------------------0---I
I-----------------2br-p0-----------2---I
I------------------------2---------1---I
I----------------------------0-1-2-----I
I--------------------------------------I