Prime p₀= 3263508649105905703 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 10 18 20 18 18 12 112 12 24 26 24 12 112 12 18 18 20 18 10 (?)
a_n: 0 10 28 48 66 84 96 208 220 244 270 294 306 418 430 448 466 486 504 514
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: 514
Found by: WyerByter
db: batch=83, k=20, 10 18 20 18 18 12 112 12 24 26

TPT(14)	3263506970308907681	0 2 30 32 78 80 186 188 216 218 270 272 426 428	-1678796998022
STPT(10)	3263507448076787939	0 2 18 20 30 32 42 44 60 62	-1201029117764
SPT(16)	3263507681607549199	0 4 22 52 64 70 88 150 172 234 252 258 270 300 318 322	-967498356504
TPT(14)	3263507963968934237	0 2 12 14 54 56 90 92 150 152 162 164 174 176	-685136971466
SPT(16)	3263507969426784683	0 8 38 60 66 80 140 156 218 234 294 308 314 336 366 374	-679679121020
SPT(16)	3263508141848019983	0 54 74 126 156 210 224 228 236 240 254 308 338 390 410 464	-507257885720
STPT(10)	3263508664999460789	0 2 18 20 30 32 42 44 60 62	15893555086
STPT(12)	3263508890893297139	0 2 30 32 42 44 120 122 132 134 162 164	241787391436
STPT(10)	3263508939561610307	0 2 12 14 42 44 72 74 84 86	290455704604
SPT(16)	3263509034579908441	0 6 12 18 48 52 70 82 96 108 126 130 160 166 172 178	385474002738
STPT(10)	3263509331388331811	0 2 36 38 78 80 120 122 156 158	682282426108