x = 8^33 : [4^32 × 2^34 + (2^5 × 2^20)^5 : (16 × 2^23) + (7^5 : 7^5 - 1)^32 × 4] = (2^3)^33 : [(2^2)^32 × 2^34 + (2^25)^5 : (2^4 × 2^23) + (1 - 1)^32 × 4] = 2^99 : (2^64 × 2^34 + 2^125 : 2^27 + 0 × 4) = 2^99 : (2^98 + 2^98) = 2^99 : (2 × 2^98) = 2^99 : 2^99 = 1