• Computes 10 % 3, which is 1
• Computes "" + 1, which is "1"
• Creates dig and sets it to point to "1"
• Checks if 10 / 3, which is 3 is > 0, which is true
• Computes "1" + ____
• Calls recur with 10 / 3, which is 3

Resulting call stack

r(3)
r(10)    dig -> "1"    "1" + ____
r(32)    dig -> "2"    "2" + ____

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