C1111233133313231133133313331333133311221123121111331322331312121121   >>    C111123313331323113313331333133313331122112312111133132233131212112   <<    C1111233133313231133133313331333133311221123121111331322331312121123   >>      C1111233133313231133133313331333133311221123121111331322331312121122   >>