Prime p₀= 1182686454239686993 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 16 2 6 54 10 26 34 2 4 2 34 26 10 54 6 2 16 (?)
a_n: 0 16 18 24 78 88 114 148 150 154 156 190 216 226 280 286 288 304
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: 304
Found by: mikey
db: batch=77, k=18, 16 2 6 54 10 26 34 2 4

SPT(16)	1182685337497258619	0 12 24 44 90 110 150 164 348 362 402 422 468 488 500 512	-1116742428374
STPT(10)	1182685434616982081	0 2 36 38 78 80 120 122 156 158	-1019622704912
SPT(16)	1182685487853581431	0 18 30 48 108 118 130 142 228 240 252 262 322 340 352 370	-966386105562
STPT(10)	1182685496701885619	0 2 42 44 60 62 78 80 120 122	-957537801374
SPT(16)	1182685601302698439	0 4 18 24 70 90 94 160 168 234 238 258 304 310 324 328	-852936988554
STPT(10)	1182686376175112819	0 2 48 50 90 92 132 134 180 182	-78064574174
SPT(16)	1182686481052546289	0 2 24 42 54 72 98 152 180 234 260 278 290 308 330 332	26812859296
SPT(16)	1182686574064286741	0 6 36 50 86 90 98 108 140 150 158 162 198 212 242 248	119824599748
STPT(10)	1182686600691964409	0 2 18 20 30 32 42 44 60 62	146452277416
STPT(10)	1182687363701424611	0 2 30 32 60 62 90 92 120 122	909461737618
STPT(10)	1182687528061351199	0 2 18 20 30 32 42 44 60 62	1073821664206