C13332313311211113313331333133313331323132233132313231333132233121   >>    C1333231331121111331333133313331333132313223313231323133313223312   <<    C13332313311211113313331333133313331323132233132313231333132233123   >>      C13332313311211113313331333133313331323132233132313231333132233122   >>