Prime p₀= 2177885212599019981 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 12 58 2 16 12 122 6 22 6 122 12 16 2 58 12 (?)
a_n: 0 12 70 72 88 100 222 228 250 256 378 390 406 408 466 478
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: 478
Found by: [SG-FC] hl
db: batch=81, k=16, 12 58 2 16 12 122 6 22

SPT(16)	2177884291645340471	0 6 8 78 98 102 128 156 272 300 326 330 350 420 422 428	-920953679510
STPT(10)	2177884377742722599	0 2 18 20 30 32 42 44 60 62	-834856297382
SPT(16)	2177884419869410337	0 24 86 152 180 182 200 224 462 486 504 506 534 600 662 686	-792729609644
SPT(16)	2177884442899112683	0 208 214 238 250 334 360 420 448 508 534 618 630 654 660 868	-769699907298
STPT(10)	2177884661790532109	0 2 18 20 30 32 42 44 60 62	-550808487872
STPT(10)	2177884945134200147	0 2 24 26 42 44 60 62 84 86	-267464819834
STPT(10)	2177885382856202021	0 2 36 38 78 80 120 122 156 158	170257182040
STPT(12)	2177885449172154077	0 2 12 14 24 26 30 32 42 44 54 56	236573134096
SPT(16)	2177885765784621967	0 46 64 70 90 96 130 180 280 330 364 370 390 396 414 460	553185601986
SPT(16)	2177886228395920837	0 40 114 156 160 166 210 216 334 340 384 390 394 436 510 550	1015796900856
SPT(16)	2177886256986757483	0 46 78 88 118 180 228 256 288 316 364 426 456 466 498 544	1044387737502