Prime p₀= 1691685272536481423 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 18 42 18 6 54 36 36 54 6 18 42 18 (?)
a_n: 0 18 60 78 84 138 174 210 264 270 288 330 348
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 348
Found by: KPX
db: batch=79, k=13, 18 42 18 6 54 36

SPT(16)	1691683663251640453	0 58 66 94 106 120 136 196 198 258 274 288 300 328 336 394	-1609284840970
SPT(16)	1691684081453551727	0 12 104 114 152 170 230 236 240 246 306 324 362 372 464 476	-1191082929696
SPT(16)	1691684398751239741	0 28 76 132 150 202 216 238 300 322 336 388 406 462 510 538	-873785241682
SPT(16)	1691685030209885729	0 2 12 32 44 102 110 132 140 162 170 228 240 260 270 272	-242326595694
SPT(16)	1691685128753121529	0 18 42 108 130 132 154 172 240 258 280 282 304 370 394 412	-143783359894
SPT(16)	1691685223893418627	0 52 100 130 144 172 174 180 214 220 222 250 264 294 342 394	-48643062796
SPT(16)	1691685488259945839	0 30 44 62 78 104 108 114 188 194 198 224 240 258 272 302	215723464416
STPT(12)	1691685649168731917	0 2 42 44 120 122 162 164 240 242 282 284	376632250494
STPT(10)	1691686029653948297	0 2 54 56 72 74 90 92 144 146	757117466874
STPT(10)	1691686107085970519	0 2 18 20 30 32 42 44 60 62	834549489096
SPT(16)	1691686108489444649	0 30 54 102 134 140 150 170 192 212 222 228 260 308 332 362	835952963226