sum(trips(j):x(j,i))<1);
for(num(j)
sum(day(i)|(i#le#(5+5*(k(j)-1)))#and#(i#ge#(1+5*(k(j)-1))):x1(d,i))<1));
sum(trips(d)
sum(day(i)|(i#le#(5+5*(k(j)-1)))#and#(i#ge#(1+5*(k(j)-1))):x1(d,i)))=5);
bin(x));
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