Use printf
to print the strings:
$ printf "%-10.10s%-5.5s%-4.4s%-7.7s%-20.20s%-2.2s\n" 11111 22222 3333 4444444 5555555 66
11111 22222333344444445555555 66
For instance, %-10.10s
indicates the corresponding argument should be left-justified (-) in a field exactly 10 characters wide.