C31232233133313221211113313331333133313331212111113331311131211   >>    C3123223313331322121111331333133313331333121211111333131113121   <<    C31232233133313221211113313331333133313331212111113331311131213   >>      C31232233133313221211113313331333133313331212111113331311131212   >>