Prime p₀= 2021317134162625979 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 18 20 4 50 22 8 42 6 10 2 10 6 42 8 22 50 4 20 18 (?)
a_n: 0 18 38 42 92 114 122 164 170 180 182 192 198 240 248 270 320 324 344 362
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: 362
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=20, 18 20 4 50 22 8 42 6 10 2

STPT(10)	2021314684462727651	0 2 6 8 48 50 90 92 96 98	-2449699898328
SPT(16)	2021315036222865841	0 22 52 100 132 150 162 168 190 196 208 226 258 306 336 358	-2097939760138
SPT(16)	2021315153049927857	0 20 26 56 126 174 176 180 206 210 212 260 330 360 366 386	-1981112698122
STPT(10)	2021315655894165221	0 2 90 92 108 110 126 128 216 218	-1478268460758
SPT(16)	2021315902342445393	0 48 60 68 158 180 200 224 234 258 278 300 390 398 410 458	-1231820180586
STPT(10)	2021316966272784179	0 2 18 20 30 32 42 44 60 62	-167889841800
SPT(16)	2021317342219577683	0 24 36 46 88 94 106 124 210 228 240 246 288 298 310 334	208056951704
SPT(16)	2021317652640301517	0 12 36 60 102 120 150 152 234 236 266 284 326 350 374 386	518477675538
SPT(16)	2021318058947243561	0 26 30 36 50 86 92 128 150 186 192 228 242 248 252 278	924784617582
SPT(16)	2021318084905929959	0 14 32 78 80 134 140 168 284 312 318 372 374 420 438 452	950743303980
SPT(16)	2021318154605682281	0 12 66 86 98 122 138 150 188 200 216 240 252 272 326 338	1020443056302