C313212111133131211331333133313121111331322131211113313232233312233231   >>    C31321211113313121133133313331312111133132213121111331323223331223323   <<    C313212111133131211331333133313121111331322131211113313232233312233233   >>      C313212111133131211331333133313121111331322131211113313232233312233232   >>