#CXRLE Pos=-10,-3
#C
#C If one pair of opposite edges of a bounded grid are twisted 180 degrees
#C (ie. reversed) before being joined then the result is a Klein bottle.
#C In this example the twist is on the horizontal edges.  
#C For more details see Help > Bounded Grids.
#C
x = 20, y = 6, rule = LifeHistory:K40*,20
16.3A$16.A2.A$16.A$3A13.A$A16.A.A$.A!
