4in6x6<4in3x3A
https://scrapbox.io/files/61f6a332fcb356001e66bca1.png
pzv
構成
4in6x6
4in3x3A
x4
共有構造
{2x2}
{3x3}
{4x4}
{5x5}
{6x6}
{7x7}
{8x8}
{9x9}
{10x10}
角なし：
{3x3}
{4x4}
{5x5}
{6x6}
{7x7}
{8x8}
{9x9}
{10x10}