Prime p₀= 869098947312254609 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 2 16 12 38 54 18 48 12 10 2 10 12 48 18 54 38 12 16 2 (?)
a_n: 0 2 18 30 68 122 140 188 200 210 212 222 234 282 300 354 392 404 420 422
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: 422
Found by: raddoc
db: batch=73, k=20, 2 16 12 38 54 18 48 12 10 2

TPT(14)	869098357914409109	0 2 168 170 210 212 240 242 282 284 300 302 312 314	-589397845500
STPT(10)	869098578723888389	0 2 30 32 60 62 90 92 120 122	-368588366220
SPT(16)	869098693028443223	0 68 78 84 98 108 150 168 206 224 266 276 290 296 306 374	-254283811386
SPT(16)	869098781526399401	0 26 32 42 96 102 110 116 132 138 146 152 206 216 222 248	-165785855208
SPT(16)	869098819636027459	0 22 84 100 120 202 204 208 234 238 240 322 342 358 420 442	-127676227150
STPT(10)	869098937370836867	0 2 30 32 60 62 90 92 120 122	-9941417742
SPT(16)	869099237409652283	0 38 48 86 104 108 110 114 140 144 146 150 168 206 216 254	290097397674
STPT(10)	869099310253278491	0 2 30 32 78 80 126 128 156 158	362941023882
SPT(16)	869099478741444589	0 18 30 52 72 130 132 168 262 298 300 358 378 400 412 430	531429189980
STPT(10)	869099642376552617	0 2 30 32 60 62 90 92 120 122	695064298008
SPT(16)	869100805469089757	0 14 36 42 84 110 114 126 170 182 186 212 254 260 282 296	1858156835148