C313212111133131211331333133313331333133313231333133313331333133311212113321   >>    C31321211113313121133133313331333133313331323133313331333133313331121211332   <<    C313212111133131211331333133313331333133313231333133313331333133311212113323   >>      C313212111133131211331333133313331333133313231333133313331333133311212113322   >>