C111123313331323113313331333133313331323132333133313331323211131   >>    C11112331333132311331333133313331333132313233313331333132321113   <<    C111123313331323113313331333133313331323132333133313331323211133   >>      C111123313331323113313331333133313331323132333133313331323211132   >>