cropped-icon-transparent.png Published 16 September 2016 at 512 × 512 in cropped-icon-transparent.png ← Previous Next → http://chalkdustmagazine.com/wp-content/uploads/2016/09/cropped-icon-transparent.png Matthew Scroggs Matthew is a research software engineer (RSE) in the Advanced Research Computing Centre (ARC) at University College London (UCL). His hobbies include pretending to be called Humbug (H). mscroggs.co.uk All articles by Matthew More from ChalkdustOn the cover: A new puzzle every dayMatthew Scroggs puts polyominoes inside polygonsHow to write a crossnumberMatthew Scroggs explains how to get digits all riled upCrossnumber winners, Issues 18 & 19Did you solve it?Crossnumber winners, Issue 17Did you solve it?Crossnumber winners, Issue 16Did you solve it?Prize crossnumber, Issue 16Can you solve it?