451 19*a-10 [a+1,a-1,0,-193*a-127,-1754*a-1070]
549 21*a-12 [a,a-1,a,36*a-65,-155*a+226]
781 25*a-13 [a+1,-a-1,a+1,-144*a-95,1048*a+654]
836 26*a-16 [1,a+1,a,47*a-71,173*a-218]
836 2*a-30 [a,a-1,a+1,-49*a+37,137*a-108]