C11111333133313232233133313331333131133132233133313331312123321   >>    C1111133313331323223313331333133313113313223313331333131212332   <<    C11111333133313232233133313331333131133132233133313331312123323   >>      C11111333133313232233133313331333131133132233133313331312123322   >>