Prime p₀= 2216739279690878981 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 68 28 12 14 4 14 22 74 22 14 4 14 12 28 68 (?)
a_n: 0 68 96 108 122 126 140 162 236 258 272 276 290 302 330 398
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: 398
Found by: Penguin
db: batch=81, k=16, 68 28 12 14 4 14 22 74

SPT(16)	2216737809335769319	0 18 40 48 70 84 88 90 118 120 124 138 160 168 190 208	-1470355109662
SPT(18)	2216737883900012573	0 18 20 24 66 126 140 146 176 198 228 234 248 308 350 354 356 374	-1395790866408
SPT(16)	2216737977875845469	0 2 12 14 80 84 114 194 210 290 320 324 390 392 402 404	-1301815033512
SPT(16)	2216738262085643441	0 48 68 126 132 140 176 182 186 192 228 236 242 300 320 368	-1017605235540
STPT(10)	2216738528452747289	0 2 48 50 90 92 132 134 180 182	-751238131692
STPT(10)	2216739029652366377	0 2 30 32 72 74 114 116 144 146	-250038512604
STPT(10)	2216739345226021709	0 2 18 20 30 32 42 44 60 62	65535142728
SPT(20)	2216739414430988453	0 26 30 56 66 80 86 90 116 128 168 180 206 210 216 230 240 266 270 296	134740109472
STPT(10)	2216739468136657811	0 2 6 8 48 50 90 92 96 98	188445778830
SPT(16)	2216739494082237791	0 6 30 50 62 80 102 116 132 146 168 186 198 218 242 248	214391358810
SPT(16)	2216739819305862481	0 10 46 70 108 120 138 148 168 178 196 208 246 270 306 316	539614983500