C31232233133313221211113313331333133313331212111133133313233313331322231211   >>    C3123223313331322121111331333133313331333121211113313331323331333132223121   <<    C31232233133313221211113313331333133313331212111133133313233313331322231213   >>      C31232233133313221211113313331333133313331212111133133313233313331322231212   >>