B2ak3cinq5er to B2akn3cinq5er

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..........
o.....o...

B2ak3cinq5er to B2akn3cinq5er

oooooooo.o
..........
......o...

B2ac4ctyz5r6i to B2acn4ctyz5r6i

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