Drag the pice to move it.[br]Use RED point to rotate.[br]Single-click on the "L" to flip it.[br][br]I made this applet in response to this Tweet I saw...[br][url=https://twitter.com/mathequalslove/status/966336263807733760][code][/code]https://twitter.com/mathequalslove/status/966336263807733760[/url][br][br][br][br][code][/code]