Where the siding is installed horizontally, the fastener spacing shall not exceed ____ horizontally and ____ vertically. Where the siding is installed vertically, the fastener spacing shall not exceed ____.
1) 2 inches, 3 inches, 4 inches
2) 4 inches, 6 inches, 8 inches
3) 6 inches, 9 inches, 12 inches
4) 8 inches, 12 inches, 16 inches