C111123313331323113313331333133313331323123231333133313331323213211321   >>    C11112331333132311331333133313331333132312323133313331333132321321132   <<    C111123313331323113313331333133313331323123231333133313331323213211323   >>      C111123313331323113313331333133313331323123231333133313331323213211322   >>