| Internal state 0 |
| Internal state 1 (please pay attention also to the angle of two big funnels) |
| Top of the Matarisama-Doll (state of input 0 / internal state 1) |
| Top of the Matarisama-Doll (state of input 1 / internal state 1) |
| One of the four small funnels catches water, makes the XOR decision and sets the internal state. |
| View from side |