In this paper, combined with the third-order TVD Runge-Kutta method, we develop a parallel solver using the fifth-order high-resolution weighted essentially non-oscillatory (WENO) finite difference scheme to simulate detonation diffraction for three-dimensional condensed explosives. Using the explosive LX-17, abrupt corner turning of detonation was investigated as the detonation moved from a near-ideal cylinder of small radius suddenly into a cylinder of large radius. The numerical simulation results revealed the restrictive relationships among the pressure, the density and the reaction progress in the failure regions around the corner. As a result, the detonation cannot turn the corner and subsequently fails, but the shock wave continues to propagate in the unreacted explosive, leaving behind a dead zone. Previously, we have used the PBX-9404 explosive to simulation the detonation diffraction. Comparing with that, the inert explosive LX-17 has the longer distance to detonation along the inner wall. It demonstrated that a larger field of the dead zone can be generated, and it may not close.