C22213331333133313112331323133313331333133313231211111121231211   >>    C2221333133313331311233132313331333133313331323121111112123121   <<    C22213331333133313112331323133313331333133313231211111121231213   >>      C22213331333133313112331323133313331333133313231211111121231212   >>