C31232233133313221211113313331333133313331212111112111113331323112231   >>    C3123223313331322121111331333133313331333121211111211111333132311223   <<    C31232233133313221211113313331333133313331212111112111113331323112233   >>      C31232233133313221211113313331333133313331212111112111113331323112232   >>