Open Cell.jar and choose : 
		- Cell size  ==> Medium		- Plane type ==> 8x1
Click InPat : https://imgur.com/l8DY78g
Put this in the program area : 		NW == 4 : 3																							NE == 3 :4																							SW == 1 : 2																							SE == 2 : 1																							C == 5 : C
Click step until Generation == 20 : https://imgur.com/eM9NfKP
If you can't see correctly, click outpat and then check outpattern.txt, replace the numbers for more visibility : https://imgur.com/4zerYBk
flag : nactf{ib_bio_ftw}