C31232233133313221211113313331333133313331212111133131211113322331333132223321   >>    C3123223313331322121111331333133313331333121211113313121111332233133313222332   <<    C31232233133313221211113313331333133313331212111133131211113322331333132223323   >>      C31232233133313221211113313331333133313331212111133131211113322331333132223322   >>