Content-Type: text/html
Content-Length: 209

Uid: 0x2ab419b8bac0 Same uid: 0x2ab419b8bac0
Object b:
v2 = 2
v1 = 1
another3 = =3=
Hash a:
v1 = 1
v2 = 2
v3 = 3
another3 = =3=
copy
source must have hash representation
v1
element can not be stored to string