Data:6 1/Kauffman Polynomial

$a 3 z 5 + a z 5 + a 4 z 4 + 2 a 2 z 4 + z 4 -3 a 3 z 3 -2 a z 3 + z 3 a -1 -3 a 4 z 2 -4 a 2 z 2 + z 2 a -2 + 2 a 3 z + 2 a z + a 4 + a 2 - a -2$