{1}# Simple nesting{0}
{16}f" {{0} {3}""{0} {16}} "{0}

{1}# Multi-line field with comment{0}
{16}f" {{0}

{3}""{0} {1}# comment{0}

{16}} "{0}

{1}# Single quoted continued with \{0}
{16}f" \
"{0}

{1}# 4 nested f-strings{0}
{17}f'Outer {{16}f"nested {{2}1{16}} {f"nested {{2}2{16}} {f"nested {{2}3{16}} {f"nested {{2}4{16}}"}"}"}"{17}}'{0}