C11111333133313232233133313331333133313232233312111133132213331322211   >>    C1111133313331323223313331333133313331323223331211113313221333132221   <<    C11111333133313232233133313331333133313232233312111133132213331322213   >>      C11111333133313232233133313331333133313232233312111133132213331322212   >>