3.
Apply the valley-fold of the step #2.
Prepare for a vertical valley-fold.
4.
Apply the valley-fold of the step #3.
Prepare to apply another valley-fold.
Gaily bedight, A gallant knight, In sunshine and in shadow, Had journeyed long, Singing a song, In search of Eldorado. But he grew old- This knight so bold- And o'er his heart a shadow Fell as he found No spot of ground That looked like Eldorado. And, as his strength Failed him at length, He met a pilgrim shadow- "Shadow," said he, "Where can it be- This land of Eldorado?" "Over the Mountains Of the Moon, Down the Valley of the Shadow, Ride, boldly ride," The shade replied- "If you seek for Eldorado!"