C1111133313331323223313331333133313331333131133133313331312123321   >>    C111113331333132322331333133313331333133313113313331333131212332   <<    C1111133313331323223313331333133313331333131133133313331312123323   >>      C1111133313331323223313331333133313331333131133133313331312123322   >>