Prime p₀= 1491418648294910659 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 78 6 156 4 38 36 4 38 4 36 38 4 156 6 78 (?)
a_n: 0 78 84 240 244 282 318 322 360 364 400 438 442 598 604 682
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 682
Found by: Theadalus
db: batch=78, k=16, 78 6 156 4 38 36 4 38

SPT(16)	1491417937974390941	0 6 26 36 48 72 78 138 170 230 236 260 272 282 302 308	-710320519718
STPT(10)	1491418120727971559	0 2 12 14 30 32 48 50 60 62	-527566939100
SPT(16)	1491418385666794003	0 6 18 48 96 124 168 178 336 346 390 418 466 496 508 514	-262628116656
STPT(10)	1491418414934479859	0 2 42 44 60 62 78 80 120 122	-233360430800
TPT(14)	1491418460867335379	0 2 42 44 78 80 150 152 162 164 288 290 318 320	-187427575280
SPT(16)	1491418493806149889	0 4 52 60 70 84 142 154 180 192 250 264 274 282 330 334	-154488760770
SPT(16)	1491419068734096269	0 18 50 54 78 120 140 144 158 162 182 224 248 252 284 302	420439185610
STPT(10)	1491419482702165571	0 2 36 38 78 80 120 122 156 158	834407254912
STPT(10)	1491419546589984761	0 2 36 38 78 80 120 122 156 158	898295074102
SPT(16)	1491419782062276257	0 2 14 42 74 104 122 132 182 192 210 240 272 300 312 314	1133767365598
SPT(16)	1491420169859732179	0 34 60 70 84 88 148 168 244 264 324 328 342 352 378 412	1521564821520