C111123313331323113313331333133313331323123231333133313231333131121132321   >>    C11112331333132311331333133313331333132312323133313331323133313112113232   <<    C111123313331323113313331333133313331323123231333133313231333131121132323   >>      C111123313331323113313331333133313331323123231333133313231333131121132322   >>