C22213331333133313112331323133313331333133313233121133132313122331   >>    C2221333133313331311233132313331333133313331323312113313231312233   <<    C22213331333133313112331323133313331333133313233121133132313122333   >>      C22213331333133313112331323133313331333133313233121133132313122332   >>