self_intersection_waysの修正

#maproulette diaper clean up; task 59979474

#maproulette diaper clean up; task 59979473

#maproulette diaper clean up; task 59979475

#maproulette diaper clean up; task 59979476

#maproulette diaper clean up; task 59979478

#maproulette diaper clean up; task 59979412

#maproulette diaper clean up; task 59979411

#maproulette diaper clean up; task 59979410

#maproulette diaper clean up; task 59981203

#maproulette diaper clean up; task 59979483

#maproulette diaper clean up; task 59979488

#maproulette diaper clean up; task 59979486

#maproulette diaper clean up; task 59979485

#maproulette diaper clean up; task 59979484

#maproulette diaper clean up; task 59979495

#maproulette diaper clean up; task 59979584

#maproulette diaper clean up; task 59979583

#maproulette diaper clean up; task 59979490

#maproulette diaper clean up; task 59979487