12ca6fce_y_codes___Andre_Holzner_s_Blog__action_for_next_step
[Gray code] 0000 [Corresponding set of cables] none [total delay] 0ns [action for next step] 
add 2ns cable
a d d 2 n s c a b l e
a d d 4 n s c a b l e
r e m o v e 2 n s c a b l e
a d d 8 n s c a b l e
r e m o v e 4 n s c a b l e
a d d 1 6 n s c a b l e
r e m o v e 8 n s c a b l e
r e m o v e 1 6 n s c a b l e