Prime p₀= 1390746972234376283 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 8 12 4 12 2 10 42 24 60 26 60 24 42 10 2 12 4 12 8 (?)
a_n: 0 8 20 24 36 38 48 90 114 174 200 260 284 326 336 338 350 354 366 374
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: 374
derived by truncating larger tuple
Found by: Theadalus
db: batch=77, k=20, 8 12 4 12 2 10 42 24 60 26

STPT(10)	1390746118475537639	0 2 12 14 30 32 48 50 60 62	-853758838644
SPT(16)	1390746139069815391	0 42 48 52 100 108 118 136 282 300 310 318 366 370 376 418	-833164560892
STPT(10)	1390746234359176337	0 2 24 26 42 44 60 62 84 86	-737875199946
SPT(16)	1390746757097326627	0 22 42 60 136 144 150 154 162 166 172 180 256 274 294 316	-215137049656
STPT(12)	1390746919257952229	0 2 42 44 72 74 78 80 108 110 150 152	-52976424054
SPT(22)	1390746972234376277	0 6 14 26 30 42 44 54 96 120 180 206 266 290 332 342 344 356 360 372 380 386	-6
TPT(14)	1390747045203312701	0 2 156 158 216 218 288 290 378 380 420 422 480 482	72968936418
SPT(16)	1390747090419600307	0 16 42 52 66 70 130 154 192 216 276 280 294 304 330 346	118185224024
STPT(10)	1390747158297852527	0 2 12 14 42 44 72 74 84 86	186063476244
SPT(16)	1390747319901078721	0 52 72 82 96 108 156 208 240 292 340 352 366 376 396 448	347666702438
STPT(10)	1390747397735029889	0 2 42 44 60 62 78 80 120 122	425500653606
TPT(14)	1390747555063718099	0 2 48 50 108 110 120 122 288 290 318 320 330 332	582829341816