They all look very different. But this language allows us to say that they are representations of the same symmetrical abstract object, which we call 4-4-2. Nothing to do with football, but because of the fact that there are two places where you can rotate by a quarter of a turn, and one by half a turn.
まったく違うように見えますが ガロアの言語によれば 対象性では同等な抽象的モチーフの 異なる表現型なのです この型は 1/4回転できる位置が二カ所 そして半回転できる位置が一カ所あるので 4-4-2 と呼ばれています