C111112111133131121133133313331333133313331323133313331333133322121211   >>    C11111211113313112113313331333133313331333132313331333133313332212121   <<    C111112111133131121133133313331333133313331323133313331333133322121213   >>      C111112111133131121133133313331333133313331323133313331333133322121212   >>