my @AoA = (
	# removed [11,29, 10,25],
	[15,35, 11,29],
	[15,15, 11,21],
	[10,25, 11,21],
	[15,35, 21,39],
	[25,40, 21,39],
	[21,11, 25,10],
	[15,15, 21,11],
	[35,35, 29,39],
	[29,39, 25,40],
	[35,15, 29,11],
	[25,10, 29,11],
	[40,25, 39,29],
	[35,35, 39,29],
	[39,21, 40,25],
	[35,15, 39,21],
);

# Result 

(15,35, 11,29)

(15,15, 11,21, 10,25)

(15,35, 21,39, 25,40, 29,39, 35,35, 39,29, 40,25, 39,21, 35,15, 29,11, 25,10, 21,11, 15,15)