tensor([[-2.4312, -1.1388, -2.6497, -0.8881,  1.1676,  0.8717],
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       device='cuda:0')
tensor([-2.4312, -1.1388, -2.6497, -0.8881,  1.1676,  0.8717], device='cuda:0')
tensor([[ -3.9018,  -1.2857,  -4.7190,  -0.7361,  -1.3961,  -2.0891],
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       device='cuda:0', grad_fn=<SubBackward0>)
tensor([-14.1277, -14.7309, -14.3390, -18.3639, -16.5569, -14.6610, -14.6559,
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       device='cuda:0', grad_fn=<SumBackward1>)
