B2acn3iy4y5er to B2acn3iy4cy5er

oooooo.o...
...........
......o..oo

B2acn3inry4y5er to B2acn3inry4cy5er

o.oooooo...
...........
oo.......oo

B2ac3iry4tyz5e6i to B2acn3ciry4ctyz5e6i

ooooooo.oo
..........
.......o..