C13332313311211113313331333133313331323332113313331333132313223313231   >>    C1333231331121111331333133313331333132333211331333133313231322331323   <<    C13332313311211113313331333133313331323332113313331333132313223313233   >>      C13332313311211113313331333133313331323332113313331333132313223313232   >>