C111112111133131121133133313331323133313221323331333131133133313233221121111   >>    C11111211113313112113313331333132313331322132333133313113313331323322112111   <<    C111112111133131121133133313331323133313221323331333131133133313233221121113   >>      C111112111133131121133133313331323133313221323331333131133133313233221121112   >>