Prime p₀= 2237228065518603277 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 16 50 4 24 8 18 4 48 8 16 8 48 4 18 8 24 4 50 16 (?)
a_n: 0 16 66 70 94 102 120 124 172 180 196 204 252 256 274 282 306 310 360 376
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: 376
Found by: Penguin
db: batch=81, k=20, 16 50 4 24 8 18 4 48 8 16

STPT(10)	2237227191532706627	0 2 42 44 72 74 102 104 144 146	-873985896650
STPT(10)	2237227253455009139	0 2 18 20 30 32 42 44 60 62	-812063594138
SPT(16)	2237227259297887559	0 30 84 108 114 128 140 152 180 192 204 218 224 248 302 332	-806220715718
SPT(16)	2237227591471293307	0 40 42 60 84 160 172 190 234 252 264 340 364 382 384 424	-474047309970
STPT(10)	2237227780158074531	0 2 36 38 78 80 120 122 156 158	-285360528746
SPT(16)	2237228053617341167	0 12 34 40 60 64 130 154 180 204 270 274 294 300 322 334	-11901262110
SPT(16)	2237228755378089271	0 36 52 66 96 102 120 126 166 172 190 196 226 240 256 292	689859485994
STPT(10)	2237229084928647539	0 2 42 44 120 122 198 200 240 242	1019410044262
STPT(10)	2237229241454231207	0 2 30 32 42 44 54 56 84 86	1175935627930
STPT(10)	2237229440450863751	0 2 6 8 48 50 90 92 96 98	1374932260474
SPT(16)	2237229552596620697	0 12 36 56 62 86 110 146 156 192 216 240 246 266 290 302	1487078017420