PPN = 0x0D, PPO = VPO = 0x17.

But we have to concatenate these bits to get the physical address = PPN:PPO and remember that PPN is 6 bits and PPO is 6 bits

      PPN = 0x0D = 0000 1101 (but discard left 2 bits) = 00 1101
      PPO = 0x17 = 0001 0111 (but discard left 2 bits) = 01 0111

      Physical address = PPN:PPO = 00 1101 01 0111 =  0011 0101 0111 = 0x357
     0000 11