Prime p₀= 2091116936842776383 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 30 20 16 8 10 14 16 62 22 62 16 14 10 8 16 20 30 (?)
a_n: 0 30 50 66 74 84 98 114 176 198 260 276 290 300 308 324 344 374
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 374
Found by: MechWarrior
db: batch=80, k=18, 30 20 16 8 10 14 16 62 22

STPT(10)	2091114510706319279	0 2 18 20 30 32 42 44 60 62	-2426136457104
SPT(16)	2091115601346033839	0 14 20 42 62 80 92 98 114 120 132 150 170 192 198 212	-1335496742544
SPT(16)	2091116572373446487	0 44 50 72 84 86 134 140 276 282 330 332 344 366 372 416	-364469329896
SPT(16)	2091116788826304739	0 30 78 90 132 190 220 240 322 342 372 430 472 484 532 562	-148016471644
STPT(10)	2091116802386987129	0 2 18 20 30 32 42 44 60 62	-134455789254
STPT(10)	2091116843115096827	0 2 30 32 60 62 90 92 120 122	-93727679556
SPT(16)	2091117141635836679	0 8 68 120 138 140 150 158 204 212 222 224 242 294 354 362	204793060296
SPT(16)	2091117659984919263	0 24 54 98 140 144 158 164 210 216 230 234 276 320 350 374	723142142880
STPT(10)	2091117999956526977	0 2 42 44 72 74 102 104 144 146	1063113750594
TPT(14)	2091118572892761149	0 2 90 92 150 152 192 194 372 374 390 392 402 404	1636049984766
STPT(10)	2091119399940107231	0 2 30 32 60 62 90 92 120 122	2463097330848