B2ackn3iy4intyz5e to B2ackn3iy4cintyz5e6i

oo.oo..o...
...........
..o......oo

B2ack3ir4y5er to B2ackn3ir4y5er

oooooo.ooo
..........
........o.

B2ack3r4in5r to B2ackn3cry4cin5r

oooooooooo.
...........
........o.o

B2ack3r4in5r to B2ackn3cry4cin5r

.oooooooooo.
............
o.........oo