1. | 1 e + a | 2 e + a | 3 e + a | 4 e + a |

    2. | 1 e   a |   e   a | 3 e   a |   e   a

    3. | 1     a | 2     a | 3     a | 4     a |

    4. | 1  o  u | 2  o  u | 3  o  u | 4  o  u |

    5. | 1     a | 2   +   | 3     a | 4   +   |

    6. | 1   +   | 2  o  u | 3   +   | 2  o  u |

    7. | 1   + a | 2   + a | 3   + a | 4   + a |

    8. | * e + a | * e + a | * e + a | * e + a |

    9. | 1 e + a | 2 * + a | 3 * + a | 4 * + a |

   10. | 1 e * a | 2 e * a | 3 e * a | 4 e * a |

   11. | 1 e + * | 2 e + * | 3 e + * | 4 e + * |

    Same as exercise 1 but with 4f lh and 2f rh,
    instead of 5f lh and 1f rh.