def vm(mu,x):
  if typ==0: return mu
  if x==a: return mu+1
  if x==b: return mu+2
  return mu
 for i in range(1,8):
  for w in (0,1):
   att((0,0,0,0,0,0),i,i+1-w,i+4+2*w,3,vm(0,i),2*i*w-pi[i-1],(i,))
 s1=[]
 for g in groups.values(): s1+=g
 s1.sort(key=lambda z:z[7])
 groups={}