bxabg cxabga dxab exabg fxabga

0nbbga 1nbb 2nbbg 3nbbga 4nbb

pecb qecbg recbga secb tecbg

e5cbg f5cbga g5cb h5cbg i5cbga

3vdbga 4vdb 5vdbg 6vdbga 7vdb