17 33 21 18
17,34,21,18,33,35,27,29,19,34,30,38,18,15,50,12,12,18,35,33
17 33 21 18 33 35 27 29 19 34 30 38 18 15 50 12 12 18 35 33
正着做不成,就到着做!哪有俩数先从哪里做起!
17 33