C13223313311212111133133313331333132313231323111211111122112312111   >>    C1322331331121211113313331333133313231323132311121111112211231211   <<    C13223313311212111133133313331333132313231323111211111122112312113   >>      C13223313311212111133133313331333132313231323111211111122112312112   >>