Prime p₀= 2170868003377692733 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 64 92 12 10 18 24 8 16 26 16 8 24 18 10 12 92 64 (?)
a_n: 0 64 156 168 178 196 220 228 244 270 286 294 318 336 346 358 450 514
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: 514
Found by: JayPi
db: batch=81, k=18, 64 92 12 10 18 24 8 16 26

SPT(16)	2170867421943751049	0 24 32 54 102 110 200 224 330 354 444 452 500 522 530 554	-581433941684
SPT(16)	2170867669186883323	0 40 76 126 130 154 186 208 216 238 270 294 298 348 384 424	-334190809410
STPT(10)	2170867685958520187	0 2 60 62 72 74 84 86 144 146	-317419172546
TPT(14)	2170867766238430031	0 2 48 50 90 92 120 122 210 212 276 278 288 290	-237139262702
SPT(16)	2170867932243085151	0 60 86 102 108 116 128 138 170 180 192 200 206 222 248 308	-71134607582
STPT(10)	2170867989285475391	0 2 6 8 18 20 30 32 36 38	-14092217342
STPT(10)	2170868014352441177	0 2 42 44 72 74 102 104 144 146	10974748444
SPT(16)	2170869054789491501	0 12 30 78 156 168 176 252 266 342 350 362 440 488 506 518	1051411798768
STPT(10)	2170869109049831129	0 2 30 32 60 62 90 92 120 122	1105672138396
STPT(10)	2170869117876940937	0 2 30 32 42 44 54 56 84 86	1114499248204
SPT(16)	2170869265783894469	0 30 62 78 84 92 114 162 230 278 300 308 314 330 362 392	1262406201736