Prime p₀= 1042347601608831383 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 26 12 66 16 20 18 30 18 22 38 22 18 30 18 20 16 66 12 26 (?)
a_n: 0 26 38 104 120 140 158 188 206 228 266 288 306 336 354 374 390 456 468 494
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
derived by truncating larger tuple
Found by: [AF>Libristes]Maeda
db: batch=76, k=20, 26 12 66 16 20 18 30 18 22 38

SPT(16)	1042346540035442753	0 14 56 104 146 156 194 198 206 210 248 258 300 348 390 404	-1061573388630
STPT(10)	1042346994993139019	0 2 18 20 30 32 42 44 60 62	-606615692364
STPT(10)	1042347000218180351	0 2 30 32 60 62 90 92 120 122	-601390651032
STPT(12)	1042347212364833159	0 2 12 14 42 44 78 80 108 110 120 122	-389243998224
STPT(10)	1042347567108434087	0 2 54 56 72 74 90 92 144 146	-34500397296
SPT(22)	1042347601608831373	0 10 36 48 114 130 150 168 198 216 238 276 298 316 346 364 384 400 466 478 504 514	-10
STPT(10)	1042347611260548389	0 2 18 20 30 32 42 44 60 62	9651717006
SPT(16)	1042347613008623633	0 18 26 38 56 60 66 108 266 308 314 318 336 348 356 374	11399792250
STPT(10)	1042348911667655531	0 2 30 32 60 62 90 92 120 122	1310058824148
SPT(13)	1042349445776248133	0 18 30 60 108 138 168 198 228 276 306 318 336	1844167416750
SPT(16)	1042349695277334881	0 50 62 78 92 108 126 180 218 272 290 306 320 336 348 398	2093668503498
SPT(16)	1042349824560625109	0 14 42 44 62 90 162 204 350 392 464 492 510 512 540 554	2222951793726