1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
{ "input": [ [ 3, 4 ], [ 5, 7 ], [ 6, 9 ], [ 10, 12 ], [ 13, 15 ] ], "output": [ [ 6, 9 ] ] }