C1111133313331323223313331333133313331333113313331333131131211211   >>    C111113331333132322331333133313331333133311331333133313113121121   <<    C1111133313331323223313331333133313331333113313331333131131211213   >>      C1111133313331323223313331333133313331333113313331333131131211212   >>