BTW { "output": "1\n2\n3\n" }
HAI 1.3
HOW IZ I OUTER
    I HAS A X ITZ 0

    HOW IZ I TEST
        X R SUM OF X AN 1
        FOUND YR X
    IF U SAY SO

    FOUND YR TEST
IF U SAY SO

I HAS A INNER ITZ I IZ OUTER MKAY
VISIBLE I IZ INNER MKAY
VISIBLE I IZ INNER MKAY
VISIBLE I IZ INNER MKAY
KTHXBYE