5e+6h - 3e+2e+6h, -2e+2h - 6e+2h-8e, 2d - 5d+7d-10d, 3d-6f - 4f-10f+3d, 16g - 9g-3g+10g, 10d-4e - 3d-4e+7d, -2f-1d - 5f+6d-7f-7d, 14g+6n - 9g+5g+6n, 4g+5h - 5h-5g+9g, -2d - 3d+5d-10d, 3e+6g - 3e+2g+4g, 6g+11h - 5g+8h+g+3h, 5x+6y - 2x+3x+6y, 2d-2g - 2d+4g-6g, g-2h - g+8h-10h, 7a - a+a+5a, 4k+8y - 7k-3k+8y, 2f-2m - 5m+2f-7m,

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