C313212111133131211331333133313331333133313231333131211113313331333132323211   >>    C31321211113313121133133313331333133313331323133313121111331333133313232321   <<    C313212111133131211331333133313331333133313231333131211113313331333132323213   >>      C313212111133131211331333133313331333133313231333131211113313331333132323212   >>