Remember, you can check the full document Paschale Solemnitatis on this site, among many on the internet. A last work on Lent:
37. It is fitting that the Lenten season should be concluded, both for the individual Christian as well as for the whole Christian community, with a penitential celebration, so that they may be helped to prepare to celebrate more fully the paschal mystery. (Cf. Rite of Penance, Appendix II, 1. 7. Cf. supra n. 18)
These celebrations, however, should take place before the Easter Triduum, and should not immediately precede the evening Mass of the Lord’s Supper.
Most often, these celebrations take place before Holy Week. But not always. There is a spirit in this section suggesting that a penance service, sacramental or just Word, could be the last liturgy of Lent, proper. During a busy Holy Week that includes a Chrism Mass for the clergy and some people, that might be asking quite a lot. I wonder how often this is followed in monastic communities.