B2ackn3r4c to B2ackn3r4ci5r6i
B2ackn3ir4ci to B2ackn3ir4ci

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

B2ackn3r4c to B2ackn3r4ci5r6i
B2ackn3ir4ci to B2ackn3ir4ci

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