THE QUESTION
Text from the official booklet. Refer to the PDF for original mathematical notation, formatting, and linked input files. Printed samples and inputs are reproduced as published.
Give only the answer and no other words. Find the index of the element containing the value “315” numbers = [ 12, 45, 78, 23, 89, 56, 90, 34, 67, 21, 5, 99, 87, 43, 76, 54, 32, 11, 66, 88, 101, 222, 333, 444, 555, 666, 777, 888, 999, 111, 213, 435, 678, 890, 321, 234, 567, 789, 432, 654, 876, 98, 123, 456, 789, 147, 258, 369, 741, 852, 963, 357, 159, 951, 753, 159, 852, 741, 639, 528, 417, 326, 235, 144, 278, 395, 183, 726, 819, 237, 564, 891, 320, 465, 678, 902, 147, 951, 357, 654, 846, 129, 738, 564, 372, 918, 246, 537, 729, 804, 612, 435, 729, 102, 948, 567, 234, 678, 901, 315, # 315 appears here 246, 135, 753, 864, 987, 204, 306, 708, 129, 537, 816, 402, 729, 153, 867, 534, 789, 102, 348, 267, 456, 789, 543, 231, 678, 321, 987, 543, 678, 432, 109, 328, 547, 266, 488, 699, 832, 740, 290, 157, 236, 478, 920, 346, 271, 843, 152, 964, 375, 839, 273, 645, 908, 123, 546, 789, 312, 645, 978, 246, 753, 159, 357, 264, 891, 678, 543, 901, 738, 465, 372, 912, 543, 276, 819, 357, 642, 975, 138, 429, 357, 123, 678, 456, 789, 312, 645, 978, 159, 456, 273, 789, 642, 975, 318, 492, 675, 321, 789, 654 ]