Prime p₀= 50404383326389549 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 4 68 36 6 16 12 18 12 62 4 62 12 18 12 16 6 36 68 4 (?)
a_n: 0 4 72 108 114 130 142 160 172 234 238 300 312 330 342 358 364 400 468 472
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: 472
derived by truncating larger tuple
Found by: stoneageman
db: batch=65, k=20, 4 68 36 6 16 12 18 12 62 4

TPT(14)	50404347790471061	0 2 30 32 186 188 210 212 246 248 288 290 408 410	-35535918488
SPT(14)	50404350415413431	0 12 26 62 66 78 86 132 140 152 156 192 206 218	-32910976118
TPT(12)	50404363109020847	0 2 84 86 132 134 174 176 180 182 210 212	-20217368702
SPT(14)	50404379087708183	0 6 26 84 98 126 128 156 158 186 200 258 278 284	-4238681366
SPT(14)	50404382514569179	0 40 42 88 90 120 144 148 172 202 204 250 252 292	-811820370
SPT(22)	50404383326389541	0 8 12 80 116 122 138 150 168 180 242 246 308 320 338 350 366 372 408 476 480 488	-8
TPT(12)	50404394756011271	0 2 6 8 66 68 120 122 138 140 150 152	11429621722
SPT(14)	50404400493023141	0 12 60 102 126 138 168 200 230 242 266 308 356 368	17166633592
SPT(14)	50404402883945191	0 6 30 58 70 76 142 156 222 228 240 268 292 298	19557555642
SPT(14)	50404404924045833	0 8 30 38 44 48 50 84 86 90 96 104 126 134	21597656284
TPT(12)	50404407099051851	0 2 18 20 30 32 96 98 108 110 138 140	23772662302
SPT(16)	50404409095701697	0 10 66 84 112 136 186 264 322 400 450 474 502 520 576 586	25769312148