Prime p₀= 264552121558019773 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 4 56 4 36 14 12 4 54 2 58 2 54 4 12 14 36 4 56 4 (?)
a_n: 0 4 60 64 100 114 126 130 184 186 244 246 300 304 316 330 366 370 426 430
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: 430
derived by truncating larger tuple
Found by: marsinph
db: batch=69, k=20, 4 56 4 36 14 12 4 54 2 58

TPT(12)	264552003143010689	0 2 42 44 72 74 108 110 162 164 210 212	-118415009084
TPT(12)	264552014911169591	0 2 138 140 156 158 180 182 258 260 300 302	-106646850182
SPT(14)	264552048867666907	0 36 42 90 114 124 142 144 162 172 196 244 250 286	-72690352866
SPT(14)	264552075858695281	0 12 28 40 48 52 70 108 126 130 138 150 166 178	-45699324492
SPT(14)	264552089416245047	0 14 26 32 44 50 60 86 96 102 114 120 132 146	-32141774726
SPT(22)	264552121558019767	0 6 10 66 70 106 120 132 136 190 192 250 252 306 310 322 336 372 376 432 436 442	-6
SPT(14)	264552128194540037	0 26 56 60 102 164 186 200 222 284 326 330 360 386	6636520264
SPT(14)	264552128528901371	0 6 26 60 90 98 116 120 138 146 176 210 230 236	6970881598
SPT(16)	264552143775771179	0 38 104 108 122 158 164 198 224 258 264 300 314 318 384 422	22217751406
TPT(12)	264552168848617499	0 2 108 110 210 212 222 224 258 260 342 344	47290597726
SPT(14)	264552170843340553	0 18 34 40 64 70 78 136 144 150 174 180 196 214	49285320780
SPT(14)	264552198752516803	0 6 10 94 120 160 190 204 234 274 300 384 388 394	77194497030