NR == 1 {
printf "%s %s %s %s %s %s %s %s %s", $1, $2, $3, $4, $5, $6, $7, $8, $9
for (i = 10; i <= NF; i += 2)
printf " %s %s", $(i+1), $i
printf "\n"
}
NR > 1 { print }