C1111133313331323223313331333133313113313223313331333131121133133311211211   >>    C111113331333132322331333133313331311331322331333133313112113313331121121   <<    C1111133313331323223313331333133313113313223313331333131121133133311211213   >>      C1111133313331323223313331333133313113313223313331333131121133133311211212   >>