Prime p₀= 1485017928965734979 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 8 6 4 12 44 4 24 56 12 82 12 56 24 4 44 12 4 6 8 (?)
a_n: 0 8 14 18 30 74 78 102 158 170 252 264 320 344 348 392 404 408 414 422
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: 422
derived by truncating larger tuple
Found by: Theadalus
db: batch=78, k=20, 8 6 4 12 44 4 24 56 12 82

STPT(12)	1485017336253175559	0 2 72 74 102 104 198 200 228 230 300 302	-592712559420
STPT(10)	1485017586936613967	0 2 30 32 42 44 54 56 84 86	-342029121012
SPT(16)	1485017696539502927	0 2 6 60 84 96 104 132 224 252 260 272 296 350 354 356	-232426232052
SPT(16)	1485017747415659713	0 18 54 64 76 88 100 106 138 144 156 168 180 190 226 244	-181550075266
SPT(16)	1485017822671480133	0 150 218 270 318 326 374 408 416 450 498 506 554 606 674 824	-106294254846
SPT(22)	1485017928965734967	0 12 20 26 30 42 86 90 114 170 182 264 276 332 356 360 404 416 420 426 434 446	-12
STPT(10)	1485017961694308929	0 2 18 20 30 32 42 44 60 62	32728573950
SPT(16)	1485018043341658667	0 30 36 50 102 144 174 186 200 212 242 284 336 350 356 386	114375923688
SPT(16)	1485018207235251307	0 16 36 40 42 66 90 106 126 142 166 190 192 196 216 232	278269516328
STPT(10)	1485018386758434509	0 2 18 20 60 62 102 104 120 122	457792699530
STPT(10)	1485018414379185209	0 2 18 20 30 32 42 44 60 62	485413450230
SPT(18)	1485018460465009513	0 16 24 36 40 64 70 96 114 190 208 234 240 264 268 280 288 304	531499274534