Z=set()
 NN=0
 iv=(p+1)//2
 for Y in C:
  pm=Y[0]+Y[1]
  px=Y[-2]+Y[-1]
  o=[k for k in range(3) if k!=i]
  for j,(jl,jr) in enumerate(I):
   for tv in range(px-jr,pm-jl+1):
    t=tv%p
    if t in Y:continue
    B=rng(Y,t,I[o[0]])+rng(Y,t,I[o[1]])
    x0=t*iv%p
    for b0,b1 in B:
     for b in range(b0,b1+1):
      if b==t:continue
      S=list(Y)+[b]
      X=tuple(sorted([x0]+[(u-x0)%p for u in S]))
      if len(set(X))==50:
       Z.add(X)
       NN+=1
 print('src',i,len(Z),NN,time.time()-T0,flush=True)
print('TOTAL',len(Z))