(begin-cut sub2 sub3)
(continue-cut sub3 sub4)
(end-cut-1 sub4 sub1)
(end-cut-2 sub2 sub1)
(begin-inverse-splice sub2 sub1)
(continue-inverse-splice-1a sub4 sub3)
(continue-inverse-splice-2 sub4 sub2)
(end-inverse-splice-1a sub3 sub4)
(end-inverse-splice-2 sub3 sub1)
(reset-1 sub2)
(begin-cut sub2 sub4)
(end-cut-1 sub4 sub3)
(end-cut-2 sub2 sub3)
(begin-inverse-splice sub2 sub3)
(end-inverse-splice-1b sub4 sub2)
(end-inverse-splice-2 sub4 sub3)
; cost = 2 (general cost)
