# Test case 1
{a}
{,a,}
# Test case 2
{a{b{c}{d{e}}}{f{g}{h{i{j}{k}}}}{l{m}}}
{,a,{,b,{,c,},{,d,{,e,},},},{,f,{,g,},{,h,{,i,{,j,},{,k,},},},},{,l,{,m,},},}
# Test case 3
{"a{"b"}}
{,"a,{,"b",},}
# Test case 4
{\{a{\{b\}}}
{,\{a,{,\{b\},},}
# Test case 5
{}
{,}
# Test case 6
{{}}
{,{,},}
# Test case 7
{\{a{\{b\}}}
{,\{a,{,\{b\},},}
# Test case 8
{"a{\{b\}}{}}
{,"a,{,\{b\},},{,},}
# Test case 9
{a{\{[b],\{key:"value"\}\}{}}}
{,a,{,\{[b],\{key:"value"\}\},{,},},}
