B2ack3nr4cy5r to B2ackn3inqr4cny5r6i

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

B2ack3nqr4cny5r to B2ackn3inqr4cny5r6i

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