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+++ {"deletable": false, "editable": false, "nbgrader": {"cell_type": "markdown", "checksum": "40b0d6d00218eec1ffbe437b10a85339", "grade": false, "grade_id": "cell-8e9afc8537e9a183", "locked": true, "schema_version": 3, "solution": false, "task": false}}

# Laby, niveau 2b: Le couloir des cailloux

Il va falloir voir comment passer le premier caillou. Puis recommencer! Une fois de plus la boucle “while” va être utile !

[Niveau précédent](2a.md), <!--[Liste des niveaux](index.md#ListeDesNiveaux), !-->[Niveau suivant](2c.md), [Documentation](0b.md#Documentation)

```{code-cell}
---
deletable: false
editable: false
nbgrader:
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---
#include <laby/global_fr.hpp>
LABY("2b")
```

```{code-cell}
---
deletable: false
nbgrader:
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  solution: true
  task: false
---
debut();
// REMPLACER CETTE LIGNE PAR VOTRE RÉPONSE
```

```{code-cell}
---
deletable: false
editable: false
nbgrader:
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---
CHECK( a_gagne() )
```