sample = bin (tip (bin (tip (bin (tip 1, tip 2)), tip (bin (tip 3, tip 4)))), tip (bin (tip (bin (tip 5, tip 6)), tip (bin (tip 7, tip 8)))))
sample = bin (tip (bin (tip (bin (tip 1, tip 2)), tip (bin (tip 3, tip 4)))), tip (bin (tip (bin (tip 5, tip 6)), tip (bin (tip 7, tip 8)))))
sample = bin (tip (bin (tip (bin (tip 1, tip 2)), tip (bin (tip 3, tip 4)))), tip (bin (tip (bin (tip 5, tip 6)), tip (bin (tip 7, tip 8)))))