C22212323232133313113313331333133313231323132222123332111112131   >>    C2221232323213331311331333133313331323132313222212333211111213   <<    C22212323232133313113313331333133313231323132222123332111112133   >>      C22212323232133313113313331333133313231323132222123332111112132   >>