C22212323232133313113313331333133313231323133313331121231221321211112131   >>    C2221232323213331311331333133313331323132313331333112123122132121111213   <<    C22212323232133313113313331333133313231323133313331121231221321211112133   >>      C22212323232133313113313331333133313231323133313331121231221321211112132   >>