C31232233133313221211113313331333133313331212111113331322233233311   >>    C3123223313331322121111331333133313331333121211111333132223323331   <<    C31232233133313221211113313331333133313331212111113331322233233313   >>      C31232233133313221211113313331333133313331212111113331322233233312   >>