Prime p₀= 1074851534476636817 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 26 6 10 20 22 20 42 4 26 4 42 20 22 20 10 6 26 (?)
a_n: 0 26 32 42 62 84 104 146 150 176 180 222 242 264 284 294 300 326
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: 326
Found by: stoneageman
db: batch=76, k=18, 26 6 10 20 22 20 42 4 26

SPT(16)	1074850235048409847	0 16 30 46 54 136 150 184 252 286 300 382 390 406 420 436	-1299428226970
TPT(14)	1074850506548605901	0 2 48 50 186 188 210 212 240 242 246 248 270 272	-1027928030916
STPT(12)	1074850673536997129	0 2 48 50 78 80 90 92 120 122 168 170	-860939639688
STPT(10)	1074850703235791981	0 2 36 38 78 80 120 122 156 158	-831240844836
SPT(16)	1074850885223359633	0 30 36 70 114 174 184 214 240 270 280 340 384 418 424 454	-649253277184
SPT(16)	1074851261525141017	0 4 16 24 30 46 52 60 106 114 120 136 142 150 162 166	-272951495800
STPT(10)	1074851797249362227	0 2 30 32 42 44 54 56 84 86	262772725410
SPT(16)	1074852080525131963	0 10 28 54 108 126 150 216 238 304 328 346 400 426 444 454	546048495146
STPT(10)	1074852190064512631	0 2 36 38 78 80 120 122 156 158	655587875814
SPT(16)	1074852272197185113	0 24 30 48 80 90 114 146 228 260 284 294 326 344 350 374	737720548296
STPT(10)	1074852687786208319	0 2 18 20 30 32 42 44 60 62	1153309571502