asm

section .text
    global _start       ;must be declared for using gcc

_start:
        mov edx, 1      ; flag to be used later
        push edx
        mov ecx, 9      ; loop counter - 10 numbers to print for the 1st set
        mov eax, `01\n\0`; load the starting string
l1:
        push ecx        ; save the loop counter

        mov [num], eax  ; save the updated string to num
        mov eax, 4      ; prepare to write
        mov ebx, 1      ; to stdout

        mov ecx, num    ; from num's address
        add ecx, edx    ;   +1 if we're in the first set of loops
                        ;   to skip the 1st byte (the 10s digit)

        push edx
        mov edx, 3      ; total 3 bytes
        int 0x80        ; do the write
        pop edx

        mov eax, [num]  ; load num so we can update it
        add eax, 0x100  ; increment 2nd byte (i.e. 1s digit)

        pop ecx         ; restore the loop counter
        loop l1

        ; after loops are done
        cmp edx, 0      ; did we just finish the 2nd set?
        je  done        ; done if we did

        mov ecx, 3      ; if not, set it up - 4 numbers to print this time
        mov edx, 0      ; update the flag & stop skipping the 1st byte when writing

        mov eax, `10\n\0`; new string - 1s place starts at '0', 10s place is '1'
        jmp l1          ; start the 2nd set

done:
        mov eax,1       ; exit
        int 0x80

section .bss
        num resb 4