1. work on self intersection

    Closed
    #67530727 0 2 1 0

  2. work on self intersection

    Closed
    #67530700 6 11 0 0

  3. work on self intersection

    Closed
    #67530634 0 2 1 0

  4. work on self intersection

    Closed
    #67530614 0 1 1 0

  5. work on self intersection

    Closed
    #67530582 0 2 1 0

  6. work on self intersection

    Closed
    #67530560 2 5 0 0

  7. work on self intersection

    Closed
    #67530514 14 5 2 0

  8. work on self intersection

    Closed
    #67530424 0 1 0 0

  9. work on self intersection

    Closed
    #67530396 2 3 0 0

  10. work on self intersection

    Closed
    #67530316 0 1 1 0

  11. work on self intersection

    Closed
    #67530279 0 1 1 0

  12. work on self intersection

    Closed
    #67530257 0 2 0 0

  13. work on self intersection

    Closed
    #67530164 0 1 19 0

  14. work on self intersection

    Closed
    #67530137 0 1 6 0

  15. work on self intersection

    Closed
    #67530110 0 1 10 0

  16. work on self intersection

    Closed
    #67530050 0 1 5 0

  17. work on self intersection

    Closed
    #67530030 0 1 5 0

  18. work on self intersection

    Closed
    #67529780 0 2 1 0

  19. work on self intersection

    Closed
    #67529680 1 9 0 0

  20. fix duplicate node

    Closed
    #67529599 0 2 1 0