C313212111113331323312111133133313331333133313331333133313231333132231131211   >>    C31321211111333132331211113313331333133313331333133313331323133313223113121   <<    C313212111113331323312111133133313331333133313331333133313231333132231131213   >>      C313212111113331323312111133133313331333133313331333133313231333132231131212   >>