Question 559371
83, 166, 171, 342, 347
Adding 11 to the 1st and 2nd numbers you get the 3rd and 4th respectively.
1+11=12, 6+11=17
Adding 22 to the 3rd and 4th numbers you get the 5th and 6th respectively.
12+22=34, 17+22=39
Adding 44 to the 5th and 6th numbers you get the 7th and 8th respectively.
34+44=78, 39+44=83
Adding 88 to the 7th and 8th numbers you get the 9th and 10th respectively.
78+88=166, 83+88=171
Adding 176 to the 9th and 10th numbers you get the 11th and 12th respectively.
166+176=342, 171+176=347