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Loop system in floor

2' out from sides, 3.5' apart, less than 1/4" below tile.
Loop (0)
Loop (0) 		Loop (1)
Loop (1) 		Loop (2)
Loop (2) 		Loop (3)
Loop (3) 		Loop (4)
Loop (4)
Loop (5)
Loop (5) 		Loop (6)
Loop (6) 		Loop (7)
Loop (7) 		Loop (8)
Loop (8) 		Loop (9)
Loop (9)
Loop (10)
Loop (10) 		Loop (11)
Loop (11) 		Loop (12)
Loop (12) 		Loop (13)
Loop (13) 		Loop (14)
Loop (14)
Loop (15)
Loop (15) 		Loop (16)
Loop (16) 		Loop (17)
Loop (17)