Prime p₀= 54769223739170987 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 2 12 12 18 30 22 6 68 6 4 6 68 6 22 30 18 12 12 2 (?)
a_n: 0 2 14 26 44 74 96 102 170 176 180 186 254 260 282 312 330 342 354 356
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: 356
derived by truncating larger tuple
Found by: paulteo
db: batch=65, k=20, 2 12 12 18 30 22 6 68 6 4

SPT(14)	54769178489133281	0 26 32 60 68 98 108 110 120 150 158 186 192 218	-45250037706
SPT(14)	54769190612284633	0 28 30 70 108 114 160 168 214 220 258 298 300 328	-33126886354
SPT(14)	54769199615391083	0 8 30 50 116 128 144 170 186 198 264 284 306 314	-24123779904
SPT(14)	54769207207225963	0 28 40 78 88 124 130 138 144 180 190 228 240 268	-16531945024
SPT(14)	54769213357235731	0 12 22 28 70 82 96 142 156 168 210 216 226 238	-10381935256
SPT(22)	54769223739170951	0 36 38 50 62 80 110 132 138 206 212 216 222 290 296 318 348 366 378 390 392 428	-36
SPT(14)	54769229474843399	0 38 48 62 68 80 90 110 120 132 138 152 162 200	5735672412
SPT(14)	54769229872369241	0 6 20 42 60 120 138 230 248 308 326 348 362 368	6133198254
SPT(14)	54769230503393113	0 16 36 66 88 100 126 130 156 168 190 220 240 256	6764222126
SPT(14)	54769240376580227	0 14 24 42 54 60 66 170 176 182 194 212 222 236	16637409240
TPT(12)	54769245602399567	0 2 30 32 42 44 72 74 204 206 282 284	21863228580
SPT(14)	54769267274405539	0 22 64 70 94 120 130 192 202 228 252 258 300 322	43535234552