Prime p₀= 1996481317646496563 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 96 2 12 36 4 12 30 14 30 12 4 36 12 2 96 18 (?)
a_n: 0 18 114 116 128 164 168 180 210 224 254 266 270 306 318 320 416 434
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: 434
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=18, 18 96 2 12 36 4 12 30 14

STPT(10)	1996479468816223751	0 2 6 8 48 50 90 92 96 98	-1848830272812
STPT(12)	1996479718133730827	0 2 60 62 84 86 90 92 114 116 174 176	-1599512765736
STPT(10)	1996479731328185357	0 2 90 92 102 104 114 116 204 206	-1586318311206
SPT(16)	1996480254889485611	0 2 30 32 72 108 156 242 276 362 410 446 486 488 516 518	-1062757010952
SPT(16)	1996480773177176729	0 18 32 48 62 78 114 132 200 218 254 270 284 300 314 332	-544469319834
STPT(10)	1996481017083103277	0 2 24 26 42 44 60 62 84 86	-300563393286
SPT(16)	1996481564014013821	0 12 16 30 40 42 52 72 76 96 106 108 118 132 136 148	246367517258
SPT(16)	1996481569402709639	0 20 48 50 84 92 120 122 150 152 180 188 222 224 252 272	251756213076
STPT(10)	1996481914525896899	0 2 48 50 90 92 132 134 180 182	596879400336
STPT(10)	1996481918832017327	0 2 42 44 72 74 102 104 144 146	601185520764
SPT(16)	1996482131404957333	0 30 36 48 70 90 148 180 184 216 274 294 316 328 334 364	813758460770