(module
  (func (result i32)
    (block (result i32)
      (block (result i32)
        (block (result i32)
          (br_table 0 1 2 3 (i32.const 42) (i32.const 0))
        )
      )
    )
  )
  (func (result i32)
    (block (result i32)
      (block (result i32)
        (block (result i32)
          (br_table 3 2 1 0 (i32.const 42) (i32.const 0))
        )
      )
    )
  )
  (func (result i32)
    (block (result i32)
      (br_table 0 0 1 1 (i32.const 42) (i32.const 0))
    )
  )
  (func (result i32)
    (block (result i32)
      (br_table 1 1 0 0 (i32.const 42) (i32.const 0))
    )
  )
)