Prime p₀= 1385357439708414701 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 2 6 10 2 30 12 28 2 34 2 28 12 30 2 10 6 2 (?)
a_n: 0 2 8 18 20 50 62 90 92 126 128 156 168 198 200 210 216 218
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: 218
Found by: Dirk Broer
db: batch=77, k=18, 2 6 10 2 30 12 28 2 34

TPT(14)	1385356202593640939	0 2 30 32 48 50 132 134 312 314 390 392 408 410	-1237114773762
STPT(10)	1385356311542656511	0 2 36 38 78 80 120 122 156 158	-1128165758190
SPT(16)	1385356423757190791	0 2 12 32 78 86 90 132 266 308 312 320 366 386 396 398	-1015951223910
SPT(16)	1385356599770460533	0 14 68 80 90 98 108 128 276 296 306 314 324 336 390 404	-839937954168
SPT(16)	1385356797981026777	0 14 60 74 96 134 162 176 180 194 222 260 282 296 342 356	-641727387924
SPT(16)	1385357183097779401	0 12 28 48 58 90 112 130 138 156 178 210 220 240 256 268	-256610635300
SPT(16)	1385357868092604457	0 34 94 102 120 142 154 276 280 402 414 436 454 462 522 556	428384189756
STPT(10)	1385358395441371259	0 2 18 20 30 32 42 44 60 62	955732956558
STPT(10)	1385358647465201711	0 2 30 32 78 80 126 128 156 158	1207756787010
STPT(10)	1385358694079094149	0 2 18 20 30 32 42 44 60 62	1254370679448
SPT(20)	1385359037689957303	0 36 46 70 78 88 108 124 130 156 178 204 210 226 246 256 264 288 298 334	1597981542602