User contributions
- 23:11, 15 December 2015 (diff | hist) . . (+13) . . 1997 PMWC Problems/Problem T9 (→Problem)
- 23:09, 15 December 2015 (diff | hist) . . (-74) . . 1997 PMWC Problems/Problem T9 (→Solution)
- 22:53, 15 December 2015 (diff | hist) . . (+144) . . 1997 PMWC Problems/Problem T9 (→Solution)
- 22:51, 15 December 2015 (diff | hist) . . (+42) . . 1997 PMWC Problems/Problem T9 (→Solution)
