C1111233133313231133133313331333133313231323331333133313122132311321   >>    C111123313331323113313331333133313331323132333133313331312213231132   <<    C1111233133313231133133313331333133313231323331333133313122132311323   >>      C1111233133313231133133313331333133313231323331333133313122132311322   >>