min{(.73²a+.73b+c-1.65)²+(1.66²a+1.66b+c-2.5)²+(2.26²a+2.26b+c-2.85)²+(3.17²a+3.17b+c-3.05)²+(3.67²a+3.67b+c-3)²+(4.63²a+4.63b+c-2.59)²+(5.25²a+5.25b+c-2.12)²+(6.21²a+6.21b+c-1.02)²}