3
[b a c]
1
nil
[2 1 [42.5 xxx Hello, world]]
[b 2 a 1 c [42.5 xxx Hello, world]]
[[b 2] [a 1] [c [42.5 xxx Hello, world]]]
[a 1 b 2 c [42.5 xxx Hello, world]]
1
---
nil
[[xxx 42] [a 1] [b 2] [c [42.5 xxx Hello, world]]]
---
1
nil
---
[Hash->new b 2 a 1 c [42.5 xxx Hello, world]]
[Hash->new xxx 42 a 1 b .. [42.5 xxx Hello, world]]
---
[Hash->new xxx 42 a 1 b 2]
[Hash->new xxx 42 a 1 b 2]
