Prime p₀= 2217652175811279287 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 2 40 20 18 4 20 18 10 18 20 4 18 20 40 2 (?)
a_n: 0 2 42 62 80 84 104 122 132 150 170 174 192 212 252 254
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: 254
Found by: Penguin
db: batch=81, k=16, 2 40 20 18 4 20 18 10

STPT(10)	2217651260748062351	0 2 36 38 78 80 120 122 156 158	-915063216936
SPT(16)	2217651774965821211	0 6 42 56 72 122 140 210 278 348 366 416 432 446 482 488	-400845458076
STPT(10)	2217651777142422317	0 2 12 14 72 74 132 134 144 146	-398668856970
SPT(16)	2217651822706755437	0 30 32 80 84 114 122 170 204 252 260 290 294 342 344 374	-353104523850
SPT(16)	2217651858141344329	0 22 52 90 94 102 144 148 234 238 280 288 292 330 360 382	-317669934958
SPT(16)	2217652009475293253	0 20 30 48 74 78 98 140 234 276 296 300 326 344 354 374	-166335986034
STPT(10)	2217652412835231677	0 2 30 32 42 44 54 56 84 86	237023952390
SPT(16)	2217652430092307617	0 30 54 66 76 100 156 184 216 244 300 324 334 346 370 400	254281028330
TPT(14)	2217652482363028199	0 2 30 32 108 110 192 194 282 284 318 320 438 440	306551748912
SPT(18)	2217652544463517181	0 12 42 60 72 80 140 158 170 180 192 210 270 278 290 308 338 350	368652237894
STPT(10)	2217652800482379287	0 2 24 26 42 44 60 62 84 86	624671100000