_G
ipairs
pairs
os
	difftime
	time
	date
xpcall
type
error
string
	len
	find
	gmatch
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	dump
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	format
	rep
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	sub
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	char
debug
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tostring
print
next
math
	deg
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	tan
	min
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	huge
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	cos
	atan
	pi
pcall
assert
tonumber
rawequal
table
	maxn
	foreachi
	concat
	remove
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	foreach
	sort
	getn