B2ackn3ir4ny5er to B2ackn3ir4ny5er6i

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

B2ackn3cr4iny5r to B2ackn3cr4inyz5r6i

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

B2ackn3ir4cnz5e to B2ackn3ir4cinz5er6i

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

B2ackn4cz to B2ackn4ciz5r6i

o.ooo..o.o
..........
..........

B2ackn3cr4ny5r to B2ackn3cr4ny5r

ooo..ooo.o
..........
.....o..o.

B2ackn3r4nty6i to B2ackn3ry4cnty6i

oooooo..oo
..........
..........

B2ackn3ciry4ty5er to B2ackn3ciry4cty5er

ooo..oo.oo
..........
......oo..

B2ackn3cry4ny5er to B2ackn3ciry4cny5er

ooo..oo.oo
..........
..o.o.oo..

B2ackn3cry4nty5er to B2ackn3cry4cnty5er

ooo..oo.oo
..........
o..o.ooo..