C1111233133313231133133313331333133313231331133133313331333112112131   >>    C111123313331323113313331333133313331323133113313331333133311211213   <<    C1111233133313231133133313331333133313231331133133313331333112112133   >>      C1111233133313231133133313331333133313231331133133313331333112112132   >>