iPS Academia Japan

#Segments or sectors of circles or ellipses #Quadrilaterals #Letters presenting a special form of writing #Colours #Semi-circles, semi-ellipses #Segments or sectors of circles or ellipses, semi-circles or semi-ellipses containing one or more letters #One quadrilateral #Quadrilaterals with dark surfaces or parts of surfaces #Letters linked to a figurative element #Series of letters presenting different forms of writing #Series of letters in different dimensions #Letters in light-coloured characters on a dark background #Four colours