Composition control
This mixed page checks interoper-
ability across structured source regions.


Left column section RIGHT first detail.
LEFT first detail. RIGHT second detail.
LEFT second detail. RIGHT third detail.


| Lower ID | Lower name | Lower value |
| --- | --- | --- |
| L01 | Lower Alpha | 24% |
| L02 | Lower Beta | $60 |


```
if ready:
    total =  2
    print(total)
```

Tail report reference
Tail details reference
Footer stays ordinary.