71,79,67,80,68,(76) 71-79, 67-79, 80-67, 68-80, (76-68) 8 -12 13 -12 (8)
Answer is 76
What is the next number in the sequence - 1, 7, 10, 13, 19, 23, 28, 31, 32, 44, 49, 68, 70, 79, 82, 86, 91, 94, 97, 100, 103, 109, 129, 130, ?