C111123313331323113313331333133313331323132311233133313232221111   >>    C11112331333132311331333133313331333132313231123313331323222111   <<    C111123313331323113313331333133313331323132311233133313232221113   >>      C111123313331323113313331333133313331323132311233133313232221112   >>