Problem: mysterious numbers

Code: mysterious+numbers/whio+%28tails%29_1771509638

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

or (or) 
    / (foldr) 
        | (filter) 
            _ (= ints) 
            - (subtract) <--arg( A ) 
                $ (= A) 
                2 (integer) 
        | (filter) <--arg( C B ) 
            ;@ (= ints) 
            - (subtract) <--arg( D ) 
                $ (= D) 
                ~ (auto = 1) 
        `% (split list (keep empties)) <--arg( F E ) 
            @ (= E) 
            : (append) 
                $ (= F) 
                2 (integer) 
    1 (integer) <--arg( G )