C313212111113331323312111133133313331333133313331333133313331331122211   >>    C31321211111333132331211113313331333133313331333133313331333133112221   <<    C313212111113331323312111133133313331333133313331333133313331331122213   >>      C313212111113331323312111133133313331333133313331333133313331331122212   >>