just found my driver,s side front and rear tyres have been slashed by some mindless bastard. I ,ve got two more to replace them but i need to know if they,re compatable the ones that have been slashed are deestone 7.50 16 112L 8P.R. extra traction ,and the ones to replace them are firestone 205 r16 reinforced 104S. want to know if ican have a pair on the front and a pair on the back if so which is the best way round.