C13223313311212111133133313331333133313232233133311233132313231231   >>    C1322331331121211113313331333133313331323223313331123313231323123   <<    C13223313311212111133133313331333133313232233133311233132313231233   >>      C13223313311212111133133313331333133313232233133311233132313231232   >>