Prime p₀= 2171218227072522317 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: [SG-FC] hl
db: batch=81, k=10, 2 28 2 10 2

SPT(16)	2171216310644232721	0 16 28 30 136 210 228 238 258 268 286 360 466 468 480 496	-1916428289596
SPT(16)	2171216403773324051	0 20 26 50 72 78 96 158 240 302 320 326 348 372 378 398	-1823299198266
SPT(16)	2171216602792795193	0 20 30 48 128 174 230 234 254 258 314 360 440 458 468 488	-1624279727124
STPT(10)	2171217384311377067	0 2 30 32 42 44 54 56 84 86	-842761145250
SPT(16)	2171217480870229019	0 30 68 78 90 92 98 120 152 174 180 182 194 204 242 272	-746202293298
SPT(16)	2171217710882377627	0 40 42 46 70 82 120 126 166 172 210 222 246 250 252 292	-516190144690
SPT(16)	2171218294948573469	0 2 42 68 104 110 152 158 294 300 342 348 384 410 450 452	67876051152
SPT(16)	2171218365374272327	0 40 60 64 126 172 190 222 304 336 354 400 462 466 486 526	138301750010
TPT(14)	2171218664680658429	0 2 12 14 18 20 132 134 180 182 300 302 378 380	437608136112
TPT(14)	2171219007419371331	0 2 30 32 36 38 48 50 120 122 198 200 240 242	780346849014
SPT(16)	2171219045097917821	0 6 42 70 100 108 112 132 136 156 160 168 198 226 262 268	818025395504