http://scratchblocks.github.io/#ask[]and%20waitset(a)to(answerask[]and%20waitset(b)to(answerask[]and%20waitset(c)to(answerask[]and%20waitset(d)to(answersay(((c)-((a)%2B(d)))%2B((4)*(((a)%2B(b))%2B(c

def f(x):
    x.foo()
    x.bar()

items = [(2,2)]
values = [2]
max_z = 2
f = lambda b,z: b**z - b

def insert(b,z):
	global items, values
	fbz = f(b,z)
	L,R = 0,len(values)-1
	while L <= R:
		m = (L+R)//2
		test = values[m]
		if test < fbz: L = m+1
		else: R = m-1
	items = items[:L] + [(b,z)] + items[L:]
	values = values[:L] + [fbz] + values[L:]

while values[:1]*3 != values[:3]:
	if values[:1]*2 == values[:2]:
		print(items[:2])
	b,z = items[0]
	items = items[1:]
	values = values[1:]
	insert(b+1,z)
	if z == max_z:
		insert(b,z+1)

[(2, 3), (3, 2)]
[(6, 2), (2, 5)]
[(15, 2), (6, 3)]
[(16, 2), (3, 5)]
[(13, 3), (3, 7)]
[(91, 2), (2, 13)]
[(280, 2), (5, 7)]
[(4930, 2), (30, 5)]

	t: function(x,y){y=fb(y,this.length);return this.slice(x,x+y)},
	u: function(){for(var i of [].slice.call(arguments))this.unshift(i);return this},
	v: function(){return this.shift()},
	w: function(){return this.reverse()},
	x: function(x,y){x=functify(fb(x,function(z){return z}),y);return this.reduce(function(a,b,i,z){b=x(b,fb(y,i),z);return a+(isNaN(+b)?parseFloat(b)||0:+b)},0)},
	y: function(){var t="string"==typeof this[0],n=t?this.map(function(t){return t.split("")}):this,x,y,z=n.reduce(function(p,q){return Math.max(p,q.length)},0),a=[];for(y=0;y<z;y++)a[y]=t?Array(n.length).fill(" "):…

z: function(n){return this.split("\n").z(n).join("\n")}

	for (var index in arr)
		if (+index === arr.indexOf(arr[index]))
			perm(arr.slice(0, index).concat(arr.slice(+index + 1)), len - 1).map(function(b) {
				result.push([arr[index]].concat(b));
			});