C111123313331323113313331333133313331323132333132333132333131121122321   >>    C11112331333132311331333133313331333132313233313233313233313112112232   <<    C111123313331323113313331333133313331323132333132333132333131121122323   >>      C111123313331323113313331333133313331323132333132333132333131121122322   >>