Prime p₀= 990646054396638977 starts a Symmetric tuple of 10 consecutive primes, which form 5 twin primes (STPT).
d_n: 0 2 28 2 10 2 10 2 28 2 (?)
a_n: 0 2 30 32 42 44 54 56 84 86
All 10 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 86
Found by: Spectrum
db: batch=76, k=10, 2 28 2 10 2

SPT(16)	990644901662381993	0 48 56 66 180 186 210 230 234 254 278 284 398 408 416 464	-1152734256984
TPT(14)	990645069661126259	0 2 18 20 30 32 90 92 120 122 132 134 198 200	-984735512718
SPT(16)	990645402691936403	0 80 110 158 170 180 198 210 254 266 284 294 306 354 384 464	-651704702574
SPT(16)	990645652173146083	0 28 48 60 156 184 228 256 258 286 330 358 454 466 486 514	-402223492894
SPT(16)	990645678706182101	0 32 38 50 78 108 150 158 210 218 260 290 318 330 336 368	-375690456876
SPT(16)	990645748589841599	0 12 38 54 78 104 132 138 164 170 198 224 248 264 290 302	-305806797378
STPT(10)	990646462096404227	0 2 90 92 102 104 114 116 204 206	407699765250
SPT(16)	990646577476894157	0 110 156 164 186 204 212 222 224 234 242 260 282 290 336 446	523080255180
STPT(10)	990646597442043299	0 2 18 20 30 32 42 44 60 62	543045404322
STPT(10)	990646651967120147	0 2 24 26 42 44 60 62 84 86	597570481170
STPT(10)	990646982813338061	0 2 30 32 78 80 126 128 156 158	928416699084