B2ackn3iy4nyz5er to B2ackn3iy4cnyz5er

o..oooo..o
..........
.......o..

B2ack3ciqy4iz5e6i to B2ack3ciqy4iz5e6i

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

B2ack3ciqy4iz5e6i to B2ack3ciqy4iz5e6i

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

B2ack3cir4y to B2ackn3cir4y

ooooo.o.oo
..........
..........