Legendrian Knot Atlas

Here are the Legendrian knots representing knot type 12n321 with (tb, r) =(3,0) :

Grid Diagram
(tb, r)
L = -L?
L = μ(L)?
L = -μ(L)?
(3,0)
✗?
✗?
2 + 4*z^2 + z^4
[4 + t]
[[1, 1, 1, 1], 1]