C313212111113331323312111133133313331333133313331333133313331331123222313231   >>    C31321211111333132331211113313331333133313331333133313331333133112322231323   <<    C313212111113331323312111133133313331333133313331333133313331331123222313233   >>      C313212111113331323312111133133313331333133313331333133313331331123222313232   >>