t1-node-link

up-node-link

q2-node-link

q3-node-link

q5-node-link

t2-node-link

t4-node-link

t6-node-link

t5-node-link

q1-node-link

q4-node-link

done-node-link

public

private

no

yes

yes

no

yes

yes

no

no