C1111233133313231133133313331333133313231323112331323221333113121   >>    C111123313331323113313331333133313331323132311233132322133311312   <<    C1111233133313231133133313331333133313231323112331323221333113123   >>      C1111233133313231133133313331333133313231323112331323221333113122   >>