Over 19 playing Under 19

[Cricketics]

Full name Ben James Wright Born December 5, 1987, Preston, Lancashire Current age 19 years 245 days Full name Adam Lyth Born September 25, 1987, Whitby, Yorkshire Current age 19 years 316 days Both of these players played u-19 game against pak recently and scored century. why are over 19z allowed to play u-19? how can England bloody play them???