Prime p₀= 1174432038705864017 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 2 42 36 4 8 22 26 6 4 6 26 22 8 4 36 42 2 (?)
a_n: 0 2 44 80 84 92 114 140 146 150 156 182 204 212 216 252 294 296
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: 296
Found by: xii5ku
db: batch=77, k=18, 2 42 36 4 8 22 26 6 4

SPT(16)	1174431160359799543	0 10 28 40 60 90 120 144 154 178 208 238 258 270 288 298	-878346064474
STPT(10)	1174431168308276687	0 2 12 14 42 44 72 74 84 86	-870397587330
TPT(14)	1174431236618450429	0 2 48 50 78 80 108 110 168 170 192 194 222 224	-802087413588
SPT(16)	1174431545491458127	0 4 100 130 142 150 154 214 282 342 346 354 366 396 492 496	-493214405890
STPT(10)	1174431620718315527	0 2 12 14 42 44 72 74 84 86	-417987548490
SPT(16)	1174431736153991681	0 18 32 56 60 66 98 116 192 210 242 248 252 276 290 308	-302551872336
SPT(16)	1174432144493185519	0 58 82 90 118 142 160 174 208 222 240 264 292 300 324 382	105787321502
SPT(16)	1174432256293159063	0 36 76 148 210 246 286 300 496 510 550 586 648 720 760 796	217587295046
STPT(10)	1174432413521135441	0 2 30 32 78 80 126 128 156 158	374815271424
STPT(10)	1174432417367744807	0 2 24 26 42 44 60 62 84 86	378661880790
SPT(16)	1174432607509607353	0 4 40 46 88 90 160 174 250 264 334 336 378 384 420 424	568803743336