A 20th-level monk with Greater Two-Weapon Fighting can
make eight attacks per round during a flurry of blows.
Assuming she wields a light weapon in her off hand, her three
off-hand weapon attacks are at +13/+8/+3, and she has five
attacks (at +13/+13/+13/+8/+3) with unarmed strikes or any
weapons she carries in her primary hand. If the same monk also
has Rapid Shot and throws at least one shuriken as part of her
flurry of blows (since Rapid Shot can be used only with ranged
attacks), she can throw one additional shuriken with her
primary hand, but all of her attacks (even melee attacks) suffer
a –2 penalty. Thus, her full attack array looks like this:
+11/+11/+11/+11/+6/+1 primary hand (two must be with
shuriken) and +11/+6/+1 off hand.