C313212111133131211331333133313331333133313231333133313331333133313121331123311   >>    C31321211113313121133133313331333133313331323133313331333133313331312133112331   <<    C313212111133131211331333133313331333133313231333133313331333133313121331123313   >>      C313212111133131211331333133313331333133313231333133313331333133313121331123312   >>