DELETE FROM ir_attachment WHERE url LIKE '/web/content/%';

  Digits = [S,E,N,D,M,O,R,E],     % Create variables

   Digits ins 0..9,                % Associate domains to variables

   S #\= 0,                        % Constraint: S must be different from 0

   M #\= 0,

   all_different(Digits),          % all the elements must take different values

                1000*S + 100*E + 10*N + D     % Other constraints

              + 1000*M + 100*O + 10*R + E

   #= 10000*M + 1000*O + 100*N + 10*E + Y,

   label(Digits).