C1111133313331323223313331333133313331333131133133313331211111121211   >>    C111113331333132322331333133313331333133313113313331333121111112121   <<    C1111133313331323223313331333133313331333131133133313331211111121213   >>      C1111133313331323223313331333133313331333131133133313331211111121212   >>