[0,1,3,2,7,6,13,12,5,4,25,24,9,8,15,14,11,10,49,
48,17,16,23,22,19,18,27,26,31,30,21,20,29,28,97,
96,33,32,39,38,35,34,43,42,47,46,37,36,45,44,51,
50,55,54,61,60,53,52,41,40,57,56,63,62,59,58,193,
192,65,64,71,70,67,66,75,74,79,78,69,68,77,76,83,
82]
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