#!/bin/bash

f() {
printf %$#d $@
}

for testcase in \
	"0" \
	"1" \
	"2 3" \
	"2 10" \
	"4 5 6" \
	"17 19 20" \
	"7 8 9 10" \
	"100 200 300 0" \
	"1000 400 30 7" \
	"1 33 333 7777" \
	"0 0 0 0 0 0" ; do
	f $testcase
	echo
done