Prime p₀= 2450947304891509399 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 24 4 2 4 14 36 24 6 64 6 24 36 14 4 2 4 24 (?)
a_n: 0 24 28 30 34 48 84 108 114 178 184 208 244 258 262 264 268 292
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 292
Found by: JayPi
db: batch=82, k=18, 24 4 2 4 14 36 24 6 64

STPT(10)	2450946734884382027	0 2 42 44 72 74 102 104 144 146	-570007127372
TPT(14)	2450946931461714701	0 2 30 32 66 68 78 80 108 110 138 140 156 158	-373429794698
SPT(16)	2450947017023792843	0 66 80 84 110 138 164 168 176 180 206 234 260 264 278 344	-287867716556
SPT(16)	2450947082291470331	0 6 8 38 48 66 90 108 140 158 182 200 210 240 242 248	-222600039068
SPT(16)	2450947094570590711	0 12 16 28 90 142 156 190 258 292 306 358 420 432 436 448	-210320918688
STPT(10)	2450947118992433231	0 2 30 32 78 80 126 128 156 158	-185899076168
STPT(10)	2450948153164425581	0 2 6 8 18 20 30 32 36 38	848272916182
STPT(10)	2450949371560721741	0 2 78 80 108 110 138 140 216 218	2066669212342
STPT(10)	2450949484344980501	0 2 36 38 78 80 120 122 156 158	2179453471102
STPT(10)	2450949741518051861	0 2 6 8 48 50 90 92 96 98	2436626542462
SPT(16)	2450949971094229019	0 2 42 48 60 132 140 158 174 192 200 272 284 290 330 332	2666202719620