by@kcz146
WA
470ms
a=(`cat`) for z in {0..8};{ $[a[t=z]-=a[9+z%3],s+=z/6*a[z]*(a[++t%3+3]*a[q=++t%3]-a[q+3]*a[z%3])/6] } echo $s
93 52 66 53 17 08 89 03 32 39 41 39
/volume/CODE: line 3: 08: value too great for base (error token is "08")