Prime p₀= 1238816448254519843 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 36 98 6 4 24 2 40 24 42 32 42 24 40 2 24 4 6 98 36 (?)
a_n: 0 36 134 140 144 168 170 210 234 276 308 350 374 414 416 440 444 450 548 584
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: 584
derived by truncating larger tuple
Found by: mikey
db: batch=77, k=20, 36 98 6 4 24 2 40 24 42 32

STPT(10)	1238816160264105089	0 2 42 44 60 62 78 80 120 122	-287990414754
SPT(16)	1238816201105518291	0 40 60 102 112 126 132 156 172 196 202 216 226 268 288 328	-247149001552
STPT(10)	1238816218459187507	0 2 12 14 42 44 72 74 84 86	-229795332336
SPT(16)	1238816228996788291	0 12 16 72 78 82 90 106 132 148 156 160 166 222 226 238	-219257731552
STPT(12)	1238816278027154507	0 2 30 32 42 44 90 92 102 104 132 134	-170227365336
SPT(22)	1238816448254519821	0 22 58 156 162 166 190 192 232 256 298 330 372 396 436 438 462 466 472 570 606 628	-22
STPT(10)	1238816917340407817	0 2 24 26 42 44 60 62 84 86	469085887974
SPT(16)	1238817208031478133	0 6 60 70 78 106 186 196 210 220 300 328 336 346 400 406	759776958290
SPT(18)	1238817585352400671	0 16 22 28 46 70 120 156 160 198 202 238 288 312 330 336 342 358	1137097880828
STPT(10)	1238817945095430377	0 2 30 32 42 44 54 56 84 86	1496840910534
SPT(16)	1238818033418886241	0 12 46 60 76 88 112 118 150 156 180 192 208 222 256 268	1585164366398
STPT(10)	1238818070465220527	0 2 42 44 102 104 162 164 204 206	1622210700684