C13332313311211113313331333133313331323132233133313233322331311   >>    C1333231331121111331333133313331333132313223313331323332233131   <<    C13332313311211113313331333133313331323132233133313233322331313   >>      C13332313311211113313331333133313331323132233133313233322331312   >>