Prime p₀= 1996333844368262759 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 20 28 50 22 8 54 6 22 92 22 6 54 8 22 50 28 20 (?)
a_n: 0 20 48 98 120 128 182 188 210 302 324 330 384 392 414 464 492 512
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 512
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=18, 20 28 50 22 8 54 6 22 92

SPT(16)	1996331808621267127	0 10 30 52 54 64 124 156 190 222 282 292 294 316 336 346	-2035746995632
SPT(16)	1996332468644559373	0 18 28 30 48 58 124 130 138 144 210 220 238 240 250 268	-1375723703386
SPT(16)	1996332855102160951	0 10 28 48 82 88 96 112 186 202 210 216 250 270 288 298	-989266101808
STPT(10)	1996333385411924147	0 2 30 32 120 122 210 212 240 242	-458956338612
SPT(18)	1996333470503110087	0 12 94 126 130 160 192 222 250 306 334 364 396 426 430 462 544 556	-373865152672
SPT(16)	1996333489683305603	0 74 80 84 98 108 110 138 146 174 176 186 200 204 210 284	-354684957156
TPT(14)	1996333963967071037	0 2 24 26 72 74 204 206 210 212 234 236 240 242	119598808278
TPT(14)	1996334306050540661	0 2 6 8 36 38 60 62 126 128 216 218 228 230	461682277902
SPT(16)	1996334442242637389	0 12 48 62 92 102 114 132 140 158 170 180 210 224 260 272	597874374630
STPT(12)	1996334828151340667	0 2 12 14 42 44 102 104 132 134 144 146	983783077908
SPT(16)	1996334965588652093	0 14 54 60 66 74 84 86 138 140 150 158 164 170 210 224	1121220389334