every tick:
	loop all players:
		if block under loop-player is blue wool:
			command "/tp %loop-player% ~ ~ ~-1"
		if block under loop-player is air:
			set {teamlc.%loop-player%} to block under loop-player's location
			if block under {teamlc.%loop-player%} is blue wool:
				command "/tp %loop-player% ~ ~ ~-1"