BVBRRRVVVRRRBVB
VBRRRRRRRRRRBVV
BRRRRRRRRRRRRRB
VBRRRRRRRRRRRRV
BRRRRRRRRRRRRRB
VBRRRRRRRRRRRRV
BVBRRRRRRRRRBVB
VBVBRRRRRRRVBVB
BVBVBRRRRRBVBVB
VBVBVBRRRVBVBVB