C13223313311212111133133313331333133313231323133212111113232212131   >>    C1322331331121211113313331333133313331323132313321211111323221213   <<    C13223313311212111133133313331333133313231323133212111113232212133   >>      C13223313311212111133133313331333133313231323133212111113232212132   >>