1. work on duplicate segment

    Closed
    #81079970 0 2 0 0

  2. work on duplicate segment

    Closed
    #81079963 5 4 2 0

  3. work on duplicate segment

    Closed
    #81079892 4 2 2 0

  4. work on duplicate segment

    Closed
    #81079850 4 4 2 0

  5. work on duplicate segment

    Closed
    #81079731 0 1 13 0

  6. work on duplicate segment

    Closed
    #81079660 0 1 0 0

  7. work on duplicate segment

    Closed
    #81079627 0 1 0 0

  8. work on self intersection

    Closed
    #81055995 4 2 2 0

  9. work on self intersection

    Closed
    #81055913 2 6 0 0

  10. work on self intersection

    Closed
    #81055746 2 1 0 0

  11. work on self intersection

    Closed
    #81055672 4 5 1 0

  12. work on self intersection

    Closed
    #81055514 0 1 0 0

  13. work on self intersection

    Closed
    #81055453 0 2 0 0

  14. delete short untagged line

    Closed
    #81055360 0 0 1 0

  15. work on self intersection

    Closed
    #81055318 1 1 0 0

  16. work on self intersection

    Closed
    #81055206 2 3 0 0

  17. work on self intersection

    Closed
    #81054813 1 3 0 0

  18. work on self intersection

    Closed
    #81054627 0 3 1 0

  19. work on self intersection

    Closed
    #81054547 5 7 0 0

  20. work on self intersection

    Closed
    #81054431 2 5 6 0