C11111333133313232233133313331333131133132221121111331323132233121   >>    C1111133313331323223313331333133313113313222112111133132313223312   <<    C11111333133313232233133313331333131133132221121111331323132233123   >>      C11111333133313232233133313331333131133132221121111331323132233122   >>