Prime p₀= 1874413471798651613 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 14 70 2 40 20 24 18 28 14 34 14 28 18 24 20 40 2 70 14 (?)
a_n: 0 14 84 86 126 146 170 188 216 230 264 278 306 324 348 368 408 410 480 494
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: 494
Found by: schoussi
db: batch=79, k=20, 14 70 2 40 20 24 18 28 14 34

STPT(10)	1874412192724838321	0 2 36 38 78 80 120 122 156 158	-1279073813292
STPT(10)	1874412374002230677	0 2 24 26 42 44 60 62 84 86	-1097796420936
SPT(16)	1874412452336947661	0 12 20 56 92 98 110 150 248 288 300 306 342 378 386 398	-1019461703952
SPT(16)	1874412482901723001	0 12 18 30 46 66 70 100 168 198 202 222 238 250 256 268	-988896928612
SPT(16)	1874412523336593127	0 12 16 30 46 54 66 70 156 160 172 180 196 210 214 226	-948462058486
SPT(16)	1874413361134498409	0 32 42 84 114 144 168 210 362 404 428 458 488 530 540 572	-110664153204
STPT(10)	1874413488902779577	0 2 30 32 42 44 54 56 84 86	17104127964
SPT(16)	1874413509944193521	0 6 20 30 66 72 80 86 102 108 116 122 158 168 182 188	38145541908
SPT(16)	1874413576163333039	0 48 72 84 98 120 128 158 174 204 212 234 248 260 284 332	104364681426
STPT(10)	1874413593159465737	0 2 30 32 42 44 54 56 84 86	121360814124
STPT(10)	1874413653204995657	0 2 42 44 72 74 102 104 144 146	181406344044