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- 5 screen 0,5
- 10 su=.1:ru=1-su:ii=1:c=1
- 20 for j=0 to 3:ii=-ii:jj=1:for i=0 to 6:jj=-jj:if i<j or i>6-j then 110
- 30 if j<2 or i>2 then c=c mod 3+1
- 40 if j=3 then c=c mod 3+1
- 50 x(1)=0:x(2)=39:x(3)=78:y(1)=0:y(3)=0:if ii=jj then y(2)=48 else y(2)=-48
- 60 for n=1 to 11:x1=3+x(3)+i*39:y1=165-y(3)-j*48+ii*jj*24
- 70 for m=1 to 3:x2=3+x(m)+i*39:y2=165-y(m)-j*48+ii*jj*24:c=c mod 3+1
- 80 draw(x1,y1 to x2,y2),c:x1=x2:y1=y2:nj=m mod 3+1
- 90 xd(m)=ru*x(m)+su*x(nj):yd(m)=ru*y(m)+su*y(nj):next m
- 100 for p=1 to 3:x(p)=xd(p):y(p)=yd(p):next p,n
- 110 next i,j
- 120 get a$:if a$="" then 120 else scnclr:end
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