If 'u' is denoted by 7, 'm' by 2, 'i' by 5, 'o' by 1, 'k' by 8, and 'j' by 4, what will be the numeric form of the word 'moujik' when written in reverse order?
a) 217458845712854712857412
b) 214578124857124858457712
c) 214785124857124858457712
d) 217458124857124858457712
