C111123313331323113313331333133313331323132311331323131121121131   >>    C11112331333132311331333133313331333132313231133132313112112113   <<    C111123313331323113313331333133313331323132311331323131121121133   >>      C111123313331323113313331333133313331323132311331323131121121132   >>