Prime p₀= 1266450039214923947 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 20 4 30 12 6 18 14 28 14 18 6 12 30 4 20 (?)
a_n: 0 20 24 54 66 72 90 104 132 146 164 170 182 212 216 236
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: 236
Found by: Megacruncher
db: batch=77, k=16, 20 4 30 12 6 18 14 28

SPT(16)	1266449503857720409	0 22 40 42 64 100 132 154 210 232 264 300 322 324 342 364	-535357203538
SPT(16)	1266449634309301531	0 6 40 48 78 96 118 148 150 180 202 220 250 258 292 298	-404905622416
SPT(16)	1266449696457888199	0 10 34 132 192 204 232 234 358 360 388 400 460 558 582 592	-342757035748
SPT(16)	1266449719448727361	0 18 22 28 42 60 88 106 192 210 238 256 270 276 280 298	-319766196586
SPT(16)	1266449885865703951	0 12 40 60 88 96 102 136 312 346 352 360 388 408 436 448	-153349219996
STPT(10)	1266449988392424959	0 2 12 14 30 32 48 50 60 62	-50822498988
SPT(16)	1266450759605858287	0 4 96 114 136 142 172 184 222 234 264 270 292 310 402 406	720390934340
SPT(16)	1266450845779529983	0 48 156 166 198 210 258 264 280 286 334 346 378 388 496 544	806564606036
STPT(10)	1266451024277278727	0 2 24 26 42 44 60 62 84 86	985062354780
SPT(16)	1266451147521726541	0 16 42 72 82 96 138 148 180 190 232 246 256 286 312 328	1108306802594
SPT(16)	1266451579867698401	0 2 6 8 60 78 90 92 156 158 170 188 240 242 246 248	1540652774454