C111123313331323113313331333133313331323132311233133313231121111131   >>    C11112331333132311331333133313331333132313231123313331323112111113   <<    C111123313331323113313331333133313331323132311233133313231121111133   >>      C111123313331323113313331333133313331323132311233133313231121111132   >>