by@kcz146
WA
519ms
a=(`cat`) for z in {0..8};{ $[a[t=z]-=a[9+z%3],s+=z/6*a[z]*(a[p=++t%3+3]*a[q=++t%3]-a[q+3]*a[p-3])/6] } echo $s
45 93 04 81 33 09 96 70 01 75 09 65
/volume/CODE: line 3: 09: value too great for base (error token is "09")