Prime p₀= 2178870206612854451 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 12 38 22 14 12 28 20 16 20 28 12 14 22 38 12 (?)
a_n: 0 12 50 72 86 98 126 146 162 182 210 222 236 258 296 308
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: 308
Found by: Penguin
db: batch=81, k=16, 12 38 22 14 12 28 20 16

STPT(10)	2178868630569154817	0 2 42 44 72 74 102 104 144 146	-1576043699634
SPT(16)	2178868791986240383	0 24 94 96 138 228 250 264 280 294 316 406 448 450 520 544	-1414626614068
STPT(10)	2178869063144103299	0 2 12 14 30 32 48 50 60 62	-1143468751152
SPT(16)	2178869257202379559	0 10 12 54 72 82 94 114 208 228 240 250 268 310 312 322	-949410474892
SPT(16)	2178869323382089717	0 10 12 54 60 66 96 124 192 220 250 256 262 304 306 316	-883230764734
SPT(16)	2178870133938748801	0 6 40 42 70 78 118 130 168 180 220 228 256 258 292 298	-72674105650
TPT(14)	2178870253385631569	0 2 150 152 168 170 210 212 348 350 372 374 390 392	46772777118
STPT(10)	2178870449242441037	0 2 30 32 72 74 114 116 144 146	242629586586
SPT(16)	2178870640936752221	0 78 92 96 140 156 182 188 210 216 242 258 302 306 320 398	434323897770
STPT(10)	2178870662744707037	0 2 12 14 42 44 72 74 84 86	456131852586
STPT(10)	2178871261186232267	0 2 54 56 132 134 210 212 264 266	1054573377816