C22213331333133313112331323133313331333133313233121111132321211   >>    C2221333133313331311233132313331333133313331323312111113232121   <<    C22213331333133313112331323133313331333133313233121111132321213   >>      C22213331333133313112331323133313331333133313233121111132321212   >>