C13332313311211113313331333133313331323132233132322331333132223221   >>    C1333231331121111331333133313331333132313223313232233133313222322   <<    C13332313311211113313331333133313331323132233132322331333132223223   >>      C13332313311211113313331333133313331323132233132322331333132223222   >>