${\text{π}/\text{2}}^{1/2}\times {\text{137}}^{\text{3}}$

137 ´ 137 ´ 137

137

1^st level cube

${\text{π}/\text{2}}^{1/2}\times {\text{137}}^{\text{6}}$

137² ´ 137² ´ 137²

137²

2^nd level cube

$1.0390872\times {\text{π}}^2\times {\text{137}}^{\text{9}}/2^{1/2}$

137³ ´ 137³ ´ 137³

137³

Total steps are Electron/1.04π