Prime p₀= 1301263745239228691 starts a Symmetric tuple of 22 consecutive primes (SPT).
d_n: 0 12 8 10 20 12 6 18 6 78 12 34 12 78 6 18 6 12 20 10 8 12 (?)
a_n: 0 12 20 30 50 62 68 86 92 170 182 216 228 306 312 330 336 348 368 378 386 398
All 22 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 398
Found by: Theadalus
db: batch=77, k=22, 12 8 10 20 12 6 18 6 78 12 34

TPT(14)	1301262938723757521	0 2 66 68 78 80 96 98 150 152 156 158 180 182	-806515471170
SPT(16)	1301262960302693873	0 24 30 36 44 78 108 134 150 176 206 240 248 254 260 284	-784936534818
TPT(14)	1301263049497730651	0 2 36 38 48 50 126 128 210 212 258 260 360 362	-695741498040
SPT(16)	1301263213469854777	0 16 36 42 64 114 120 126 130 136 142 192 214 220 240 256	-531769373914
SPT(16)	1301263287209481313	0 28 40 58 100 138 144 210 214 280 286 324 366 384 396 424	-458029747378
SPT(16)	1301263387822335671	0 6 18 86 108 116 156 192 206 242 282 290 312 380 392 398	-357416893020
SPT(16)	1301264423100865129	0 30 64 70 130 154 190 202 210 222 258 282 342 348 382 412	677861636438
SPT(16)	1301264896946853133	0 106 124 150 166 180 210 234 280 304 334 348 364 390 408 514	1151707624442
STPT(10)	1301265320514063407	0 2 24 26 42 44 60 62 84 86	1575274834716
SPT(16)	1301265620154876899	0 14 50 84 110 158 228 234 278 284 354 402 428 462 498 512	1874915648208
STPT(10)	1301265828682217579	0 2 18 20 30 32 42 44 60 62	2083442988888