1 | Double the number - up to 100 [1] | | | |

1 | Double the number - up to 100 [2] | | | |

2 | Double the number - up to 500 [1] | | | |

2 | Double the number - up to 500 [2] | | | |

3 | Double the number - up to 1,000 [1] | | | |

3 | Double the number - up to 1,000 [2] | | | |

4 | Double the number - up to 2,000 [1] | | | |

4 | Double the number - up to 2,000 [2] | | | |

5 | Double the number - up to 5,000 [1] | | | |

5 | Double the number - up to 5,000 [2] | | | |

5 | Double the number - up to 10,000 | | | |

5 | Double the number - up to 20,000 | | | |