C13223313311212111133133313331323133313331323121111133313221323132313121   >>    C1322331331121211113313331333132313331333132312111113331322132313231312   <<    C13223313311212111133133313331323133313331323121111133313221323132313123   >>      C13223313311212111133133313331323133313331323121111133313221323132313122   >>