Now the nine spokes on the inside of the hub flange are laced in the opposite direction to the first nine. Now that the pattern is taking shape, the spokes are too tight to push through the rim to fit the nipples easily. Another spoke is used to feed the nipples through the rim. We're using a "three cross" (or "3X") lacing pattern, meaning that each spoke crosses three others. It misses the first two and contacts the third by weaving around it. This "interlacing" contact provides additional strength to the wheel.