JAT-2018: gridlocked
JAT-2018: shapes and shades
JAT-2018: seeing double 1/2
JAT-2018: seeing double 2/2
JAT-2018: multiplication
JAT-2018: glass light 1
JAT-2018: glass light 4
JAT-2018: glass light 5
JAT-2018: glass light 2
JAT-2018: glass light 3
JAT-2018: glass light 6
JAT-2018: trapped
JAT-2018: fading