The number 7 in the second column is 25, so the number 15 in the second column is 25+( 15-7)/2*8=57, so the number 15 in the third column is 57+1= 58; The number 9 in the second column is 25+(9-7)/2*8=33, so the number 9 in the fifth column is 33+3=36.