C31232233133313221211113313331333133313331212111112111112323233111   >>    C3123223313331322121111331333133313331333121211111211111232323311   <<    C31232233133313221211113313331333133313331212111112111112323233113   >>      C31232233133313221211113313331333133313331212111112111112323233112   >>