pi(8910) = 1108
pi(8910+phi(5040)) = pi(8910+1152) = pi(10062) = 1234
10062 + 18 = 5040*2 =10080
1234 - pi(8100/2) = pi(5040) + 1 = 675 + 1 = 676
676 - pi(8100/2) = 676 - 558 = 118