word      Minefield Center X
word      Minefield Center Y
word      Minefield Id
long      Minefield Units Lost

Sent when: two minefields explode due to overlap

Sent to: all players

This record generated by MinesDestroyMines when rounding errors have accumulated to an extent making it impossible to report the situation in a symmetric way (using record 29).

PHost will mix type-53 and type-29 as it sees fit.