C313212111113331323312111133133313331333133313331333133313231333133313122313231   >>    C31321211111333132331211113313331333133313331333133313331323133313331312231323   <<    C313212111113331323312111133133313331333133313331333133313231333133313122313233   >>      C313212111113331323312111133133313331333133313331333133313231333133313122313232   >>