C13332313311211113313331333133313331323132233132313231333132331221   >>    C1333231331121111331333133313331333132313223313231323133313233122   <<    C13332313311211113313331333133313331323132233132313231333132331223   >>      C13332313311211113313331333133313331323132233132313231333132331222   >>