C22213331333133313112331323133313331333133313233121133132311313231   >>    C2221333133313331311233132313331333133313331323312113313231131323   <<    C22213331333133313112331323133313331333133313233121133132311313233   >>      C22213331333133313112331323133313331333133313233121133132311313232   >>