Prime p₀= 2491697716489474799 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 12 2 28 18 14 6 52 20 52 6 14 18 28 2 12 (?)
a_n: 0 12 14 42 60 74 80 132 152 204 210 224 242 270 272 284
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 284
Found by: JayPi
db: batch=82, k=16, 12 2 28 18 14 6 52 20

SPT(16)	2491697000248041193	0 6 18 46 66 108 144 150 154 160 196 238 258 286 298 304	-716241433606
SPT(16)	2491697150470896497	0 12 30 42 62 86 122 140 162 180 216 240 260 272 290 302	-566018578302
STPT(10)	2491697624511868637	0 2 42 44 72 74 102 104 144 146	-91977606162
SPT(16)	2491697642421048431	0 30 42 66 96 102 108 138 170 200 206 212 242 266 278 308	-74068426368
STPT(10)	2491697650914207257	0 2 30 32 42 44 54 56 84 86	-65575267542
SPT(16)	2491697657621601769	0 22 40 42 132 160 168 198 214 244 252 280 370 372 390 412	-58867873030
SPT(16)	2491697741259176929	0 40 78 114 120 154 190 198 274 282 318 352 358 394 432 472	24769702130
STPT(10)	2491697962569314297	0 2 30 32 42 44 54 56 84 86	246079839498
SPT(16)	2491697990550196829	0 30 74 114 128 168 218 224 228 234 284 324 338 378 422 452	274060722030
SPT(16)	2491698309843899003	0 30 38 78 86 108 110 170 246 306 308 330 338 378 386 416	593354424204
SPT(16)	2491698786123491753	0 48 74 90 156 158 168 200 294 326 336 338 404 420 446 494	1069634016954