Location where the installation on the teleportation stone disappeared: near the border of N9 and N10, slightly to the west
Time of disappearance of the installation on the teleportation stone: 16:51:47 on June 1, 2023

Location of disappearance of the installation on the teleport stone: near the border of L9 and L10, quite west
Time of disappearance of the installation on the stone at the teleport: 19:59:22 on June 2, 2023