C1111233133313231133133313331333133313231331133133313331333133321211111   >>    C111123313331323113313331333133313331323133113313331333133313332121111   <<    C1111233133313231133133313331333133313231331133133313331333133321211113   >>      C1111233133313231133133313331333133313231331133133313331333133321211112   >>