Prime p₀= 1515535229167434983 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 30 48 26 10 26 6 64 18 38 22 38 18 64 6 26 10 26 48 30 (?)
a_n: 0 30 78 104 114 140 146 210 228 266 288 326 344 408 414 440 450 476 524 554
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: 554
derived by truncating larger tuple
Found by: xii5ku
db: batch=78, k=20, 30 48 26 10 26 6 64 18 38 22

TPT(14)	1515533390232897767	0 2 84 86 90 92 114 116 222 224 264 266 270 272	-1838934537216
STPT(10)	1515533441597781161	0 2 6 8 48 50 90 92 96 98	-1787569653822
SPT(16)	1515533520831529657	0 12 24 52 64 90 106 132 184 210 226 252 264 292 304 316	-1708335905326
SPT(16)	1515534630904343597	0 32 36 74 114 140 162 170 246 254 276 302 342 380 384 416	-598263091386
STPT(10)	1515535064395771607	0 2 24 26 42 44 60 62 84 86	-164771663376
SPT(22)	1515535229167434973	0 10 40 88 114 124 150 156 220 238 276 298 336 354 418 424 450 460 486 534 564 574	-10
SPT(16)	1515535234267736263	0 4 24 28 30 40 60 70 138 148 168 178 180 184 204 208	5100301280
SPT(16)	1515535465178545367	0 32 42 56 72 86 96 156 170 230 240 254 270 284 294 326	236011110384
STPT(10)	1515535933117222139	0 2 12 14 30 32 48 50 60 62	703949787156
SPT(18)	1515536058834521579	0 32 98 102 108 144 164 188 230 252 294 318 338 374 380 384 450 482	829667086596
SPT(16)	1515536203626210383	0 14 24 44 74 98 128 198 200 270 300 324 354 374 384 398	974458775400
TPT(14)	1515536316440712521	0 2 18 20 90 92 126 128 138 140 156 158 180 182	1087273277538