Prime p₀= 976878186448834321 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 22 20 4 54 12 26 60 22 60 26 12 54 4 20 22 (?)
a_n: 0 22 42 46 100 112 138 198 220 280 306 318 372 376 396 418
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: 418
Found by: Spectrum
db: batch=76, k=16, 22 20 4 54 12 26 60 22

SPT(16)	976877494175977573	0 4 28 48 54 58 76 106 138 168 186 190 196 216 240 244	-692272856748
SPT(16)	976877555673084391	0 16 78 96 100 118 120 198 208 286 288 306 310 328 390 406	-630775749930
SPT(16)	976877605781287633	0 64 66 76 78 120 168 180 304 316 364 406 408 418 420 484	-580667546688
STPT(10)	976877893713381659	0 2 18 20 30 32 42 44 60 62	-292735452662
STPT(10)	976877913987406601	0 2 30 32 78 80 126 128 156 158	-272461427720
TPT(14)	976878079188895151	0 2 6 8 48 50 78 80 186 188 240 242 288 290	-107259939170
STPT(10)	976878238766568179	0 2 18 20 30 32 42 44 60 62	52317733858
SPT(16)	976878258137243479	0 12 30 42 52 84 90 132 142 184 190 222 232 244 262 274	71688409158
STPT(10)	976878361178227601	0 2 30 32 60 62 90 92 120 122	174729393280
SPT(16)	976878387688508597	0 50 62 66 80 96 152 162 164 174 230 246 260 264 276 326	201239674276
SPT(16)	976878449014992863	0 14 56 66 86 108 110 128 276 294 296 318 338 348 390 404	262566158542