Prime p₀= 3223738503748336649 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 60 2 18 52 30 12 8 52 18 140 18 52 8 12 30 52 18 2 60 (?)
a_n: 0 60 62 80 132 162 174 182 234 252 392 410 462 470 482 512 564 582 584 644
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: 644
Found by: conf [MM]
db: batch=83, k=20, 60 2 18 52 30 12 8 52 18 140

SPT(18)	3223737160524604667	0 6 32 56 72 102 110 144 146 180 182 216 224 254 270 294 320 326	-1343223731982
SPT(16)	3223737421936282729	0 24 70 78 88 132 202 214 318 330 400 444 454 462 508 532	-1081812053920
SPT(16)	3223737471646911017	0 30 66 102 152 186 204 206 240 242 260 294 344 380 416 446	-1032101425632
SPT(16)	3223737546481175309	0 18 50 60 98 108 110 120 122 132 134 144 182 192 224 242	-957267161340
SPT(16)	3223738117354523369	0 12 14 20 24 32 60 110 144 194 222 230 234 240 242 254	-386393813280
SPT(16)	3223738124156857211	0 60 62 102 116 120 146 168 260 282 308 312 326 366 368 428	-379591479438
SPT(16)	3223739354617995197	0 20 62 80 96 122 140 144 182 186 204 230 246 264 306 326	850869658548
STPT(10)	3223739985055367147	0 2 30 32 42 44 54 56 84 86	1481307030498
TPT(14)	3223739988554145017	0 2 12 14 60 62 84 86 114 116 144 146 282 284	1484805808368
STPT(10)	3223740037811452967	0 2 150 152 192 194 234 236 384 386	1534063116318
SPT(16)	3223740299486699101	0 28 42 90 102 148 168 172 246 250 270 316 328 376 390 418	1795738362452