175 - 24 =  - 151, 273 - 44 = - 229, 345 - 127 = - 218, 482 - 63 =  - 419, 571 - 246 = - 325, 187 - 56 = - 131, 652 - 227 = - 425, 296 - 34 = - 262, 792 - 75 = - 717,

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