From each side of the doors come a series of shouts and thumps in the course of several attempts to break them open, but they prove maddeningly, almost impossibly, resistant.
OOG: party's d20 rolls to open this ramshackle door: 1, 5, 7, 2, 1, 6, 5.
p(7d20<28)=0.000694. About 1 in 1440. Nice...