C31232233133313221211113313331333133313331212111112323133313221211   >>    C3123223313331322121111331333133313331333121211111232313331322121   <<    C31232233133313221211113313331333133313331212111112323133313221213   >>      C31232233133313221211113313331333133313331212111112323133313221212   >>