#nanojam VCCC 2022
fcn t(x,y) text("+",4x,4y)
for j<9
  for i<9
    if (i>3or j>3)&j>i-5&i>j-5
      t(i,j)
      t(16-i,j)
      t(16-i,16-j)
      t(i,16-j)