Prime p₀= 1997344481576995637 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 20 40 20 4 2 18 10 62 10 18 2 4 20 40 20 (?)
a_n: 0 20 60 80 84 86 104 114 176 186 204 206 210 230 270 290
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 290
Found by: Chooka
db: batch=80, k=16, 20 40 20 4 2 18 10 62

STPT(10)	1997342868086511731	0 2 30 32 78 80 126 128 156 158	-1613490483906
SPT(16)	1997343995269582319	0 8 44 48 84 110 128 140 162 174 192 218 254 258 294 302	-486307413318
SPT(16)	1997344014726180859	0 34 40 60 78 82 84 90 112 118 120 124 142 162 168 202	-466850814778
STPT(10)	1997344040998836581	0 2 6 8 18 20 30 32 36 38	-440578159056
SPT(16)	1997344172950974989	0 14 30 92 110 218 248 260 282 294 324 432 450 512 528 542	-308626020648
SPT(16)	1997344249400829023	0 30 56 66 114 116 144 168 206 230 258 260 308 318 344 374	-232176166614
SPT(16)	1997344548383001193	0 28 48 54 70 88 120 180 244 304 336 354 370 376 396 424	66806005556
SPT(16)	1997345113099988923	0 24 60 66 84 126 144 186 244 286 304 346 364 370 406 430	631522993286
SPT(16)	1997345204281235299	0 12 30 54 88 100 108 142 150 184 192 204 238 262 280 292	722704239662
SPT(16)	1997345243948609719	0 28 54 58 114 118 120 220 222 322 324 328 384 388 414 442	762371614082
SPT(16)	1997345597717049953	0 84 104 156 158 200 218 228 326 336 354 396 398 450 470 554	1116140054316