p(450). p(525). p(600).
p(675). p(750). p(825). p(900).
d(belhino). d(eldang). d(mechania).
d(motomiya). d(suzutake). d(werril). d(zarobit).
r(100). r(150). r(250).
r(350). r(475). r(650). r(1000).
f(10). f(15). f(20).
f(25). f(30). f(40). f(60).

myselect([], _).
myselect([A|B],C) :- myselect(A,C,D), myselect(B,D).

unique([]).
unique([X|Xs]) :- \+ memberchk(X, Xs), unique(Xs).

select4([],[],[],[],[]).
select4(Ps,Ds,Rs,Fs,[[P,D,R,F]|Sol0]) :-
    select(P,Ps,Ps0),
    select(D,Ds,Ds0),
    select(R,Rs,Rs0),
    select(F,Fs,Fs0),
    select4(Ps0,Ds0,Rs0,Fs0,Sol0).

clue1(Sol) :-
  freeze(Sol,(
    member([825,_,_,_],Sol),
    member([_,_,250,_],Sol),
    member([_,_,_,20],Sol),
    member([_,_,475,_],Sol),
    member([_,_,150,_],Sol),
    member([_,_,350,_],Sol),
    member([_,_,_,40],Sol))).

clue2(Sol) :-
  freeze(Sol,(
    member([P1,_,650,_],Sol),
    member([P2,mechania,_,_],Sol),
    P1 > P2)).

clue3(Sol) :-
  freeze(Sol,(
    member([P,D,_,60],Sol),
    (P == 750 ; D == eldang))).

clue4(Sol) :-
  freeze(Sol,(
    (member([900,_,350,_],Sol),
    member([_,belhino,_,25],Sol))
    ;
    (member([900,belhino,_,_],Sol),
    member([_,_,350,25],Sol)))).

clue5(Sol) :-
  freeze(Sol,(
    (member([900,_,_,20],Sol),
    member([_,zarobit,150,_],Sol))
    ;
    (member([900,_,150,_],Sol),
    member([_,zarobit,_,20],Sol)))).

clue6(Sol) :-
  freeze(Sol,(
    (member([_,_,100,40],Sol),
    member([825,_,_,15],Sol))
    ;
    (member([825,_,_,40],Sol),
    member([_,_,100,15],Sol)))).

clue7(Sol) :-
  freeze(Sol,(
    member([_,_,R,10],Sol),
    R \== 475)).

clue8(Sol) :-
  freeze(Sol,(
    member([P1,mechania,_,_],Sol),
    member([P2,eldang,_,_],Sol),
    P1 =:= P2 + 225)).

clue9(Sol) :-
  freeze(Sol,(
    member([P,werril,_,_],Sol),
    (P == 450 ; P == 750))).

clue10(Sol) :-
  freeze(Sol,(
    member([P1,_,350,_],Sol),
    member([P2,werril,_,_],Sol),
    P1 < P2)).

clue11(Sol) :-
  freeze(Sol,(
    member([_,suzutake,R,_],Sol),
    R \== 350)).

clue12(Sol) :-
  freeze(Sol,(
    member([P1,motomiya,_,F1],Sol),
    member([P2,D2,_,20],Sol),
    member([525,D3,_,F3],Sol),
    unique([P1,P2,525]),
    unique([D2,D3,motomiya]),
    unique([F1,F3,20]))).

clue13(Sol) :-
  freeze(Sol,(
    member([P1,zorobit,_,_],Sol),
    member([P2,_,_,10],Sol),
    P1 =:= P2 + 225)).

solve(Sol) :-

  clue1(Sol),
  clue2(Sol),
  clue3(Sol),
  clue4(Sol),
  clue5(Sol),
  clue6(Sol),
  clue7(Sol),
  clue8(Sol),
  clue9(Sol),
  clue10(Sol),
  clue11(Sol),
  clue12(Sol),
  clue13(Sol),

  findall(P,p(P),Ps),
  findall(D,d(D),Ds),
  findall(R,r(R),Rs),
  findall(F,f(F),Fs),
  select4(Ps,Ds,Rs,Fs,Sol).