TherapieGo: S1, R2, Q1, R1, S2, T2, T3, P1, T5, O2.
It seems complex to me to be sure of killing in this sequence? It's better to just keep the sequence S1, R2 and immediately answer S2, so it doesn't depend on the outside, right?
posetcay: Yeah, it is better to not exchange D19, updated the solution tree.
Resolved.