Prime p₀= 3490383317504288081 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 32 16 30 14 36 88 2 40 12 98 12 40 2 88 36 14 30 16 32 (?)
a_n: 0 32 48 78 92 128 216 218 258 270 368 380 420 422 510 546 560 590 606 638
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: 638
derived by truncating larger tuple
Found by: RFGuy_KCCO
db: batch=83, k=20, 32 16 30 14 36 88 2 40 12 98

STPT(10)	3490382136631292699	0 2 18 20 30 32 42 44 60 62	-1180872995382
STPT(10)	3490382240800793309	0 2 108 110 180 182 252 254 360 362	-1076703494772
STPT(12)	3490382492865234101	0 2 36 38 48 50 78 80 90 92 126 128	-824639053980
STPT(10)	3490382587884838727	0 2 54 56 72 74 90 92 144 146	-729619449354
STPT(10)	3490382982993187817	0 2 30 32 42 44 54 56 84 86	-334511100264
SPT(22)	3490383317504288053	0 28 60 76 106 120 156 244 246 286 298 396 408 448 450 538 574 588 618 634 666 694	-28
STPT(10)	3490383614862705887	0 2 42 44 72 74 102 104 144 146	297358417806
SPT(16)	3490383767314563433	0 46 94 108 130 138 186 196 198 208 256 264 286 300 348 394	449810275352
SPT(16)	3490383913127891041	0 6 22 30 48 70 100 118 150 168 198 220 238 246 262 268	595623602960
STPT(10)	3490383986630384687	0 2 30 32 42 44 54 56 84 86	669126096606
STPT(10)	3490383990547470557	0 2 72 74 102 104 132 134 204 206	673043182476
SPT(16)	3490384453553848859	0 42 54 60 74 78 92 140 162 210 224 228 242 248 260 302	1136049560778