0c=1654:fOx=-9to9:fOy=-9to9:a=aB(x):b=aB(y):k=b=aorb=5aNa>5
1h=kaNa<8orb=a*4orb=a*7orb=a*2.5orb=0:pOc+x*h+40*y,42:pOc+y*h+40*x,42:nE:nE
