1 | 0 | 5 | (((a,b),(c,d)),((e,f),(g,h))); |

2 | 1 | 8 | (((a,b),(c,d)),((e,f),(g,h))); (((a,b),c),(((e,d),f),(g,h))); |

3 | 1 | 7 | (((a,b),(c,d)),((e,f),(g,h))); (((a,(b,d)),c),((e,f),(g,h))); |

4 | 0 | 5 | (((((((a,b),c),d),e),f),g),h); |

5 | 1 | 7 | (((((((a,b),c),d),e),f),g),h); ((((((a,c),(b,d)),e),f),g),h); |

6 | 1 | 10 | (((((((a,b),c),d),e),f),g),h); ((((((a,c),d),e),f),(g,b)),h); |

7 | 2 | 8 | (((a,b),(c,d)),((e,f),(g,h))); (((a,b),(c,d)),(((e,f),g),h)); |

| | | ((a,((b,c),d)),((e,f),(g,h))); ((a,((b,c),d)),(((e,f),g),h)); |

8 | 2 | 9 | (((a,b),(c,d)),((e,f),(g,h))); (((a,b),c),(((d,e),f),(g,h))); |

| | | ((((a,b),(g,h)),(c,d)),(e,f)); ((((a,b),(g,h)),c),((d,e),f)); |

9 | 3 | 9 | ((((a,b),(c,d)),(e,f)),(g,h)); ((((a,b),(c,d)),e),(f,(g,h))); |

| | | (((a,b),(c,d)),((e,f),(g,h))); (((a,b),(c,d)),(e,(f,(g,h)))); |

| | | ((((a,b),c),(d,(e,f))),(g,h)); ((((a,b),c),(d,e)),(f,(g,h))); |

| | | (((a,b),c),((d,(e,f)),(g,h))); (((a,b),c),((d,e),(f,(g,h)))); |

10 | 3 | 24 | ((((b,e),(a,c)),((d,f),g)),h); (((b,(a,c)),((e,g),(d,f))),h); |

| | | (((a,(b,e)),(((c,d),f),g)),h); (((a,b),(((c,d),f),(e,g))),h); |

| | | (((a,c),((((b,e),d),f),g)),h); (((a,c),(((b,d),f),(e,g))),h); |

| | | ((a,((((b,e),(c,d)),f),g)),h); ((a,(((b,(c,d)),f),(e,g))),h); |