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H in (-oo:+oo)
H/19.1+1.5 = 13.5 // - 13.5
H/19.1-13.5+1.5 = 0
0.05235602*H-12 = 0 // + 12
0.05235602*H = 12 // : 0.05235602
H = 12/0.05235602
H = 229.20000413
H = 229.20000413
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