| In terms of a search tree we could represent this as follows .... |
| 101 |
| Bu |
| 5 |
| 97 |
|
|
|
| 278+0 |
||
| =278 |
||
| Pi |
| 3 |
| Ri |
| 2 |
|
|
|
| 80+193 |
||
| =273 |
||
| 80 |
| 138 |
| Cr |
| 146 |
|
|
|
| 315+160 |
||
| =475 |
||
| 99 |
| Cr |
| 1 |
| Si. |
|
|
|
| 226+160 |
||
| =386 |
||
|
|
|
| 0+253 |
||
| =253 |
||
| 4 |
| Fa |
|
|
|
| 99+178 |
||
| =277 |
||
| 211 |
| Bu |
| 140 |
|
|
|
| 310+0 |
||
| =310 |
||
| Ar |
|
|
|
| Maths: |
||
| “g + h = f” |
||
|
|
|
| 140+366 |
||
| =506 |
||
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to begin the search |
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TREE |
