Prime p₀= 2028210398415528853 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 18 22 14 6 10 18 6 36 6 2 6 36 6 18 10 6 14 22 18 (?)
a_n: 0 18 40 54 60 70 88 94 130 136 138 144 180 186 204 214 220 234 256 274
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: 274
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=20, 18 22 14 6 10 18 6 36 6 2

SPT(16)	2028208566734590439	0 2 44 78 192 210 320 342 380 402 512 530 644 678 720 722	-1831680938414
SPT(16)	2028209449952687387	0 14 110 194 200 222 224 236 270 282 284 306 312 396 492 506	-948462841466
SPT(16)	2028209486835807703	0 126 148 168 228 240 250 256 288 294 304 316 376 396 418 544	-911579721150
SPT(16)	2028209990082851723	0 56 120 144 176 206 210 228 266 284 288 318 350 374 438 494	-408332677130
TPT(16)	2028210117346283177	0 2 24 26 72 74 102 104 150 152 180 182 234 236 294 296	-281069245676
SPT(16)	2028210393612208321	0 48 70 102 138 172 180 192 196 208 216 250 286 318 340 388	-4803320532
TPT(14)	2028211015628227139	0 2 12 14 90 92 138 140 180 182 288 290 318 320	617212698286
TPT(14)	2028211058074677869	0 2 72 74 108 110 120 122 222 224 240 242 318 320	659659149016
TPT(14)	2028211097696653157	0 2 30 32 72 74 192 194 210 212 222 224 264 266	699281124304
STPT(10)	2028211224650089649	0 2 18 20 30 32 42 44 60 62	826234560796
SPT(16)	2028211352698054613	0 6 20 50 56 78 126 146 180 200 248 270 276 306 320 326	954282525760