Adjacent-numbered pages: BP276 BP277 BP278 BP279 BP280  *  BP282 BP283 BP284 BP285 BP286
traditional
segments_cross [smaller | same | bigger]
Sang-Joon Yoon
All examples in this Problem are a number of (possibly overlapping) straight lines.
Adjacent-numbered pages: BP771 BP772 BP773 BP774 BP775  *  BP777 BP778 BP779 BP780 BP781
Finn Collins