C111123313331323113313331333133313331323323113313331333132213231321   >>    C11112331333132311331333133313331333132332311331333133313221323132   <<    C111123313331323113313331333133313331323323113313331333132213231323   >>      C111123313331323113313331333133313331323323113313331333132213231322   >>