Prime p₀= 2449419978524096509 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 10 60 2 40 8 22 12 18 20 40 20 18 12 22 8 40 2 60 10 (?)
a_n: 0 10 70 72 112 120 142 154 172 192 232 252 270 282 304 312 352 354 414 424
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: 424
Found by: JayPi
db: batch=82, k=20, 10 60 2 40 8 22 12 18 20 40

SPT(16)	2449419412218923773	0 40 168 186 238 250 286 300 304 318 354 366 418 436 564 604	-566305172736
STPT(10)	2449419460386530711	0 2 30 32 78 80 126 128 156 158	-518137565798
SPT(16)	2449419567539199319	0 4 28 54 64 84 88 100 168 180 184 204 214 240 264 268	-410984897190
SPT(16)	2449419652385875567	0 4 90 114 136 150 154 184 186 216 220 234 256 280 366 370	-326138220942
SPT(16)	2449419806877443369	0 50 62 84 90 92 104 110 162 168 180 182 188 210 222 272	-171646653140
STPT(10)	2449419877345421579	0 2 18 20 30 32 42 44 60 62	-101178674930
SPT(16)	2449420286847619213	0 16 24 64 108 156 234 238 276 280 358 406 450 490 498 514	308323522704
TPT(14)	2449420461724923521	0 2 6 8 18 20 48 50 228 230 246 248 336 338	483200827012
STPT(10)	2449421160379779371	0 2 30 32 60 62 90 92 120 122	1181855682862
STPT(10)	2449421541303376427	0 2 12 14 72 74 132 134 144 146	1562779279918
STPT(12)	2449422009836774417	0 2 42 44 54 56 90 92 102 104 144 146	2031312677908