C13223313311212111133133313331323133313331323121211113313132233132322131   >>    C1322331331121211113313331333132313331333132312121111331313223313232213   <<    C13223313311212111133133313331323133313331323121211113313132233132322133   >>      C13223313311212111133133313331323133313331323121211113313132233132322132   >>