Prime p₀= 301704510561143917 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 6 16 12 6 12 32 10 32 6 52 6 32 10 32 12 6 12 16 6 (?)
a_n: 0 6 22 34 40 52 84 94 126 132 184 190 222 232 264 276 282 294 310 316
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 316
derived by truncating larger tuple
Found by: Boliver
db: batch=69, k=20, 6 16 12 6 12 32 10 32 6 52

TPT(12)	301704408976625621	0 2 30 32 108 110 126 128 156 158 180 182	-101584518296
SPT(14)	301704421321643909	0 2 30 114 132 144 150 164 170 182 200 284 312 314	-89239500008
SPT(14)	301704470373917959	0 18 28 34 54 60 138 160 238 244 264 270 280 298	-40187225958
SPT(14)	301704472823921023	0 58 106 114 148 154 156 238 240 246 280 288 336 394	-37737222894
SPT(14)	301704496717578751	0 30 46 58 66 70 96 172 198 202 210 222 238 268	-13843565166
SPT(22)	301704510561143909	0 8 14 30 42 48 60 92 102 134 140 192 198 230 240 272 284 290 302 318 324 332	-8
SPT(14)	301704521309091491	0 8 30 50 68 108 120 170 182 222 240 260 282 290	10747947574
TPT(12)	301704526004784347	0 2 42 44 132 134 342 344 474 476 522 524	15443640430
SPT(16)	301704528808782061	0 40 42 46 118 120 132 162 166 196 208 210 282 286 288 328	18247638144
SPT(14)	301704572363861659	0 24 58 84 88 150 154 168 172 234 238 264 298 322	61802717742
SPT(14)	301704572404864441	0 10 28 40 60 66 96 112 142 148 168 180 198 208	61843720524
SPT(14)	301704608439843209	0 12 42 74 80 102 104 108 110 132 138 170 200 212	97878699292