C13332313311211113313331333133313331211331322331311331311331333132322121   >>    C1333231331121111331333133313331333121133132233131133131133133313232212   <<    C13332313311211113313331333133313331211331322331311331311331333132322123   >>      C13332313311211113313331333133313331211331322331311331311331333132322122   >>