These checkouts typically require two large Trebles to reach a Double.
160 | 159 | 158 | 157 | 156 | 155 | 154 | 153 | 152 | 151 |
150 | 149 | 148 | 147 | 146 | 145 | 144 | 143 | 142 | 141 |
140 | 139 | 138 | 137 | 136 | 135 | 134 | 133 | 132 | 131 |
There is no three dart checkout for 159, but T19-T20-S10 leaves 32.