Prime p₀= 1421241959036671063 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 36 4 36 18 74 22 18 12 14 12 18 22 74 18 36 4 36 (?)
a_n: 0 36 40 76 94 168 190 208 220 234 246 264 286 360 378 414 418 454
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 454
Found by: vanos0512
db: batch=78, k=18, 36 4 36 18 74 22 18 12 14

STPT(10)	1421240953371804179	0 2 18 20 30 32 42 44 60 62	-1005664866884
SPT(16)	1421241055151057479	0 34 40 48 52 78 100 108 124 132 154 180 184 192 198 232	-903885613584
STPT(10)	1421241149526666359	0 2 12 14 90 92 168 170 180 182	-809510004704
SPT(16)	1421241328951357169	0 2 32 92 128 168 182 200 282 300 314 354 390 450 480 482	-630085313894
SPT(18)	1421241442798360483	0 46 48 58 84 88 94 100 108 136 144 150 156 160 186 196 198 244	-516238310580
SPT(16)	1421241734635043539	0 40 72 130 150 162 184 262 282 360 382 394 414 472 504 544	-224401627524
TPT(14)	1421242202309219159	0 2 42 44 48 50 60 62 72 74 102 104 198 200	243272548096
SPT(16)	1421242274107287967	0 24 34 84 90 124 126 150 196 220 222 256 262 312 322 346	315070616904
SPT(16)	1421242318207127681	0 48 108 116 122 158 168 180 278 290 300 336 342 350 410 458	359170456618
STPT(10)	1421242716279697637	0 2 60 62 72 74 84 86 144 146	757243026574
STPT(10)	1421242800566834807	0 2 42 44 72 74 102 104 144 146	841530163744