# draw incident line first then try to pass through an arc that's crossing it
# -> shall fail

point_new P0a 20 20 2 3
point_new P0b 20 40 2 3

point_new P1a 5 40 2 3
point_new P1b 30 40 2 3

2net_new n0 1 1 from P0a to P0b
fail 2net_new n1 1 1 from P1a cw P0b to P1b


