Prime p₀= 2396108416829425453 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 4 90 72 18 30 50 4 8 22 8 4 50 30 18 72 90 4 (?)
a_n: 0 4 94 166 184 214 264 268 276 298 306 310 360 390 408 480 570 574
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: 574
Found by: Coleslaw
db: batch=81, k=18, 4 90 72 18 30 50 4 8 22

STPT(10)	2396106759084834119	0 2 18 20 30 32 42 44 60 62	-1657744591334
STPT(10)	2396107120717632977	0 2 30 32 72 74 114 116 144 146	-1296111792476
SPT(16)	2396107242460250861	0 6 42 48 72 90 126 168 210 252 288 306 330 336 372 378	-1174369174592
STPT(10)	2396107274253639929	0 2 48 50 90 92 132 134 180 182	-1142575785524
STPT(10)	2396107435930571849	0 2 12 14 90 92 168 170 180 182	-980898853604
STPT(10)	2396108310815976857	0 2 60 62 72 74 84 86 144 146	-106013448596
SPT(16)	2396108474026751929	0 40 48 60 78 100 130 144 184 198 228 250 268 280 288 328	57197326476
TPT(14)	2396108544125874857	0 2 12 14 24 26 42 44 102 104 180 182 270 272	127296449404
TPT(14)	2396108676266094917	0 2 30 32 72 74 84 86 150 152 204 206 360 362	259436669464
SPT(16)	2396108985006917009	0 14 18 60 98 102 114 200 222 308 320 324 362 404 408 422	568177491556
SPT(16)	2396109014548635469	0 102 124 184 202 222 234 264 298 328 340 360 378 438 460 562	597719210016