a factor listed in this subpart, departure from the applicable guideline range is warranted only if the factor is present to a degree substantially in excess of that which ordinarily is involved in the offense. U.S.S.G. § 5K2.0, p.s. Indeed, we have recognized the possibility of departure beyond the adjustments made available by U.S.S.G. §§ 3B1.1 (aggravating role) and 3B1.2 (mitigating role), based upon a defendant’s extraordinary role with respect to the offense of conviction. See United States v. Joyner, 924 F.2d 454, 461 (2d Cir.1991) (acknowledging possibility of role “so extraordinarily minute that [defendants] deserved a departure beyond the four-level maximum reduction available for ‘minimal’ participation”); United States v. Colon, 905 F.2d 580, 585-86 (2d Cir.1990) (<HOLDING>); cf. United States v. Bierley, 922 F.2d 1061, 
 Holding statements: (A) recognizing that where there are other persons who are criminally responsible for the offense who have not been apprehended or have not been charged due to cooperation a sole defendant may be eligible for an upward or downward adjustment for role in the offense (B) holding that within these parameters apprendi permits an upward adjustment for a defendants role in a drugtrafficking conspiracy (C) recognizing potential upward adjustment beyond that provided by guidelines for aggravating role in the offense (D) holding that role in the offense is a factual determination albeit complex a district courts decision not to apply an adjustment based on such a determination is reversed only for clear error (E) holding that a defendant convicted of a soleparticipant offense may nonetheless be entitled to a mitigating role adjustment
(C)