Prime p₀= 1994936753651842613 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 54 20 12 4 8 16 6 24 12 2 12 24 6 16 8 4 12 20 54 (?)
a_n: 0 54 74 86 90 98 114 120 144 156 158 170 194 200 216 224 228 240 260 314
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: 314
derived by truncating larger tuple
Found by: Ben
db: batch=80, k=20, 54 20 12 4 8 16 6 24 12 2

STPT(10)	1994935805560062317	0 2 30 32 42 44 54 56 84 86	-948091780296
STPT(10)	1994936202343491929	0 2 18 20 30 32 42 44 60 62	-551308350684
SPT(16)	1994936399800033639	0 22 28 34 42 48 60 78 214 232 244 250 258 264 270 292	-353851808974
SPT(16)	1994936475838352729	0 30 44 104 132 140 180 228 254 302 342 350 378 438 452 482	-277813489884
STPT(10)	1994936678477401229	0 2 18 20 30 32 42 44 60 62	-75174441384
SPT(22)	1994936753651842597	0 16 70 90 102 106 114 130 136 160 172 174 186 210 216 232 240 244 256 276 330 346	-16
STPT(10)	1994936859597756689	0 2 18 20 30 32 42 44 60 62	105945914076
STPT(10)	1994937101823377351	0 2 6 8 48 50 90 92 96 98	348171534738
SPT(16)	1994937111242195479	0 10 60 88 102 130 132 162 328 358 360 388 402 430 480 490	357590352866
STPT(10)	1994937550309377929	0 2 12 14 90 92 168 170 180 182	796657535316
SPT(16)	1994937555207317027	0 30 60 80 114 152 182 212 264 294 324 362 396 416 446 476	801555474414
SPT(16)	1994938445875877947	0 34 40 60 76 96 120 124 126 130 154 174 190 210 216 250	1692224035334