Prime p₀= 2173045129663502473 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 4 12 14 70 36 14 6 10 12 8 12 10 6 14 36 70 14 12 4 (?)
a_n: 0 4 16 30 100 136 150 156 166 178 186 198 208 214 228 264 334 348 360 364
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: 364
Found by: JayPi
db: batch=81, k=20, 4 12 14 70 36 14 6 10 12 8

SPT(16)	2173043753429286523	0 4 60 66 70 100 114 118 126 130 144 174 178 184 240 244	-1376234215950
STPT(10)	2173043893985671319	0 2 18 20 30 32 42 44 60 62	-1235677831154
STPT(10)	2173044312069979847	0 2 42 44 72 74 102 104 144 146	-817593522626
STPT(10)	2173044492571976159	0 2 48 50 90 92 132 134 180 182	-637091526314
STPT(10)	2173044508962843959	0 2 18 20 60 62 102 104 120 122	-620700658514
STPT(10)	2173044641623986899	0 2 18 20 30 32 42 44 60 62	-488039515574
SPT(16)	2173045180910316481	0 40 46 52 72 82 96 126 142 172 186 196 216 222 228 268	51246814008
STPT(10)	2173045203960193217	0 2 30 32 72 74 114 116 144 146	74296690744
SPT(16)	2173045221045066427	0 16 82 90 96 120 166 220 222 276 322 346 352 360 426 442	91381563954
SPT(16)	2173045442737128227	0 66 74 102 140 162 186 192 224 230 254 276 314 342 350 416	313073625754
STPT(10)	2173045448070657071	0 2 6 8 18 20 30 32 36 38	318407154598