C22213331333133313112331323133313331333133313233121111132321111   >>    C2221333133313331311233132313331333133313331323312111113232111   <<    C22213331333133313112331323133313331333133313233121111132321113   >>      C22213331333133313112331323133313331333133313233121111132321112   >>