回複:Any solution for this puzzle
(1) 4 lines (not striaght) share two end points
(2) another two lines share two end points
(3) The two lines in (2) cross the 4 lines in (1)
(4) The end points in (2) are in the two out-lines of (1)
(5) one extra flower in each of the two out-lines in (1)