1-(a^8 - 1) * 1 * (a^8 +1) * 1*1*1*1*1*(1-2)-1
26
(2^10^10-(2048^9 *2)-9+6^1)^2
9999 + 9999+9999+9999-(9999 + 9999+9999+9999)+a+ 5
(a +1+5)*(a^2 +1^2+5^2-(1-2*a*1-1)+2*5*(a+1))
((a +1)-a-8-7-( 1-(8 +7))-(9999   -9990)- 3
1-2*a^1+3*a^2-4*a^3+5*a^4-a^5*(6-7*a+8*a^2 -9*a^3)
(7+8)^4-(8*8^3*7+2^3*8*7^3)
(a^8+1)^2 -2*(1 + a^8)
(a +3*(1+5))*a^2+((1+5)*2*(1+5)+(1+5)^2)*a+(1+5)^3
(6^2 - 2*6*9+9^1*9^1)^5
((6+9)^2 - 4*6*9))^5 +(6 -6)^10^10^10^10^10^10
(6^3-3*6*9*(6-9) - 9^3)^4^8 *(6^2-2*6*9+9^2)^2
9999+(9-8)*8
a^2^2^2^2-1
6^10^10 +2-1
a^2^2^2^2^2-1
6 -6 + 1 +(6 -6)^10^7
(1-a)^2+2*a^2-4*a^3+5*a^4-6*a^5+7*a^6-8*a^7+9*a^8
7*7*7*7+8*8*8*8+4*8*7*(1-1-(8*8+7*7))+6*8*7*8*7
(7 - 8)*(8 -7)*(7 -8)*(7 -8)
(a+ 1)^3+3*(a +1)^2*5+3*(a+1)*5  * 5+(a+1)^3^1
9999^9^9-9^9^9*1111^9^9-(1-a^8)*(1+a^8) +9
a-(a + 1) + 1+1+5+12-12  +6-6+a-(8 -8)
1023 + a + 5 - 1022
6 -(6-(9-(9-(8-(5+8))))) -(a -5) +a +1+5+a
9999 + 6^10^10-11*101*9 -6^2^ 5^5^2-(1 -a-1-5-1)^3
6^10^10-9^10^10 + 1