C13223313311212111133133313331333133313231323133211331333132313231333111211   >>    C1322331331121211113313331333133313331323132313321133133313231323133311121   <<    C13223313311212111133133313331333133313231323133211331333132313231333111213   >>      C13223313311212111133133313331333133313231323133211331333132313231333111212   >>