sym2bin.rb

def sym2bin(ns)
	
	ns1 = (0..(ns.length / 2)).map { |x| ns[(x * 2)..(x * 2 + 1)] }
	ns1b = ns1.dup
	raise if (ns1b.pop != '2')
	
	ns2 = ns1b.reverse.map { |x| {'11' => '0', '12' => '1'}[x] }.join
	return ns2
	
end

def breakup(ns)

	l1 = ns.split(/0+/).map { |x| x.length }
	l0 = ns.split(/1+/)[1..-1].map { |x| x.length }

	p([l1.size, l0.size, l1.select { |x| x == 10}, l0.select { |x| x == 10}, l1, l0])

end


x = readlines()[0..-2].map { |x| x.split[-1] }.join
ns = sym2bin(x)

p(ns)

breakup(ns)