Legendrian Knot Atlas

Here are the Legendrian knots representing knot type m(8_21) with (tb, r) = (1, 0) :

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