May as well roll these here:

DC 26/21: (1d20+4)[8]

DC 29/24: (1d20+4)[18]
DC 29/24: (1d20+4)[20]
DC 29/24: (1d20+4)[16]
DC 29/24: (1d20+4)[8]

DC 29/24: (1d20+4)[21]
DC 29/24: (1d20+4)[12]
DC 29/24: (1d20+4)[21]
DC 29/24: (1d20+4)[13]
DC 29/24: (1d20+4)[18]
DC 29/24: (1d20+4)[5]
DC 29/24: (1d20+4)[11]
DC 29/24: (1d20+4)[10]