B2ac3nr4n5r to B2acn3nr4cn5r

oooo.o.oo
.........
.........

B2ac3cn4intz6i to B2ac3cny4cintz6i

ooooo..ooo.
...........
....o.....o

B2ac3cn4intz6i to B2ac3cny4cintz6i

ooooo..ooo.
...........
.....o....o