Prime p₀= 1322121040104909193 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 10 98 6 16 60 20 10 20 16 122 16 20 10 20 60 16 6 98 10 (?)
a_n: 0 10 108 114 130 190 210 220 240 256 378 394 414 424 444 504 520 526 624 634
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: 634
Found by: Megacruncher
db: batch=77, k=20, 10 98 6 16 60 20 10 20 16 122

SPT(16)	1322119105614265901	0 12 48 50 62 92 98 120 200 222 228 258 270 272 308 320	-1934490643292
SPT(16)	1322119726773923261	0 2 30 32 38 72 90 108 140 158 176 210 216 218 246 248	-1313330985932
SPT(16)	1322119890288695917	0 34 40 82 100 102 124 126 130 132 154 156 174 216 222 256	-1149816213276
STPT(10)	1322120061036094259	0 2 42 44 60 62 78 80 120 122	-979068814934
STPT(10)	1322120538277891829	0 2 138 140 180 182 222 224 360 362	-501827017364
STPT(10)	1322120952497714417	0 2 42 44 72 74 102 104 144 146	-87607194776
SPT(16)	1322121371137617341	0 18 30 32 36 78 90 92 96 98 110 152 156 158 170 188	331032708148
SPT(16)	1322121504118493597	0 12 50 84 110 134 150 186 200 236 252 276 302 336 374 386	464013584404
SPT(16)	1322121646467162293	0 18 44 96 110 114 140 236 288 384 410 414 428 480 506 524	606362253100
STPT(10)	1322121835161752291	0 2 6 8 18 20 30 32 36 38	795056843098
STPT(10)	1322122204176785441	0 2 6 8 108 110 210 212 216 218	1164071876248