Prime p₀= 1818389182733680001 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 2 28 18 8 42 28 36 8 16 26 16 8 36 28 42 8 18 28 2 (?)
a_n: 0 2 30 48 56 98 126 162 170 186 212 228 236 272 300 342 350 368 396 398
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: 398
Found by: amazing
db: batch=79, k=20, 2 28 18 8 42 28 36 8 16 26

SPT(16)	1818388136830825663	0 28 36 48 64 160 174 204 250 280 294 390 406 418 426 454	-1045902854338
SPT(16)	1818388157794918847	0 26 134 216 246 264 296 320 330 354 386 404 434 516 624 650	-1024938761154
SPT(16)	1818388438369176001	0 28 48 58 70 172 180 238 312 370 378 480 492 502 522 550	-744364504000
SPT(16)	1818388710428334601	0 6 18 42 60 72 102 142 156 196 226 238 256 280 292 298	-472305345400
SPT(18)	1818388762688650751	0 42 62 92 98 102 110 132 140 180 188 210 218 222 228 258 278 320	-420045029250
STPT(10)	1818389064469984187	0 2 24 26 42 44 60 62 84 86	-118263695814
SPT(16)	1818389926098481843	0 4 60 64 106 120 126 130 150 154 160 174 216 220 276 280	743364801842
SPT(16)	1818390247331710421	0 26 56 62 96 122 182 206 252 276 336 362 396 402 432 458	1064598030420
STPT(10)	1818390886230550649	0 2 42 44 90 92 138 140 180 182	1703496870648
SPT(16)	1818390989734325821	0 6 42 48 70 106 118 138 190 210 222 258 280 286 322 328	1807000645820
SPT(16)	1818391321994297423	0 66 80 128 164 168 206 224 240 258 296 300 336 384 398 464	2139260617422