C13332313311211113313331333133313331322333133313331331123132322121   >>    C1333231331121111331333133313331333132233313331333133112313232212   <<    C13332313311211113313331333133313331322333133313331331123132322123   >>      C13332313311211113313331333133313331322333133313331331123132322122   >>