Prime p₀= 106903274778645203 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 6 2 48 4 8 6 60 6 40 44 40 6 60 6 8 4 48 2 6 (?)
a_n: 0 6 8 56 60 68 74 134 140 180 224 264 270 330 336 344 348 396 398 404
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 404
derived by truncating larger tuple
Found by: Ralfy
db: batch=67, k=20, 6 2 48 4 8 6 60 6 40 44

SPT(14)	106903223945596391	0 20 42 60 110 126 162 200 236 252 302 320 342 362	-50833048812
TPT(12)	106903233728093219	0 2 132 134 198 200 222 224 258 260 282 284	-41050551984
SPT(14)	106903235368340179	0 10 18 28 30 58 70 72 84 112 114 124 132 142	-39410305024
SPT(14)	106903239338029787	0 30 60 72 90 116 132 170 186 212 230 242 272 302	-35440615416
SPT(14)	106903244095868257	0 36 60 64 70 90 114 202 226 246 252 256 280 316	-30682776946
SPT(22)	106903274778645193	0 10 16 18 66 70 78 84 144 150 190 234 274 280 340 346 354 358 406 408 414 424	-10
SPT(14)	106903282721340493	0 10 24 40 64 66 70 174 178 180 204 220 234 244	7942695290
SPT(14)	106903288869931051	0 18 40 42 60 72 78 130 136 148 166 168 190 208	14091285848
SPT(16)	106903293486674869	0 18 22 34 52 70 90 114 148 172 192 210 228 240 244 262	18708029666
SPT(14)	106903309353963169	0 22 48 132 154 178 202 210 234 258 280 364 390 412	34575317966
TPT(12)	106903311905835491	0 2 60 62 96 98 156 158 168 170 198 200	37127190288
TPT(12)	106903342695027479	0 2 12 14 198 200 240 242 252 254 318 320	67916382276