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(1,2,4,7) is family of no.
7 March is lucky day for 1 2 4 7
On 7 March Ireland won by 5 runs against Zimbabwe
Ed Joyce is no.4 (September 22, 1978) running in his lucky 37th(1) year is man of the match for his 112 runs on his lucky day 7 March 
Andy Balbirnie is no.1 (December 28, 1990) running in his lucky 25th(7) year made 97 runs on his lucky day
2 & 7 goes hand in hand
Alex Cusack is no.2 (29 Oct.) took 4 wickets for 32 runs on his lucky day