: _depth = 24.1
: _depth = 13.0
: _depth = 11.2
: _depth = 7.2
: _depth = 5.2
: _depth = 10.3
: _depth = 24.3
: _depth = 10.9
: _depth = 13.9
: _depth = 1.8
: _depth = 1.8
: _depth = 2.4