by@kcz146
WA
495ms
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
30 01 75 69 04 09 05 53 69 78 73 59
/volume/CODE: line 3: 09: value too great for base (error token is "09")