Your browser does not support grid, so will not be supported. Hover over your browser version to see if there is a way to enable potential support. Sorry, I am no longer able to justify working on making the layout work on older devices.
Anonymous commented at 2015-09-23 00:19:26 » #1818515
It says "press A" to insert into either one, and they're both highlighted on screen, so imma go out on a limb and assume that both is an option. But that might just be wishful thinking.