; (2) by inserting and at the end of paragraph (2); and (3) by inserting after paragraph (2) the following: (3) in the case of a youth serving a sentence of incarceration, after the youth (as defined in section 3581) has served at least 20 years, a court, upon motion of the Director of the Bureau of Prisons, the sentencing court, the youth or the counsel for the youth, or on its own motion, may reduce the term of imprisonment (and may impose a term of supervised release with or without conditions that does not exceed the unserved portion of the original term of imprisonment), after considering the factors set forth in section 3553(a) to the extent that they are applicable, if— (A) the court finds on the record that a reduction is warranted based on extraordinary and compelling reasons, including the youth’s rehabilitation efforts, such as participation in counseling, education, work skills training, and prison employment, and mitigating facts relating to the life circumstances of the youth at the time of the commission of the offense