C313212111133131211331333133313331333133313331333133313331333132213232131   >>    C31321211113313121133133313331333133313331333133313331333133313221323213   <<    C313212111133131211331333133313331333133313331333133313331333132213232133   >>      C313212111133131211331333133313331333133313331333133313331333132213232132   >>