Problem: ascii diagonal

Code: ascii+diagonal/tails_1644973167

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)

! (zip with) 
    ;;@ (= allLines) 
    , (range from 1) <--arg( A ) 
        ~ (auto = infinity) 
    = (zipop: subscript)