Prime p₀= 1664242488808845241 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 22 8 6 22 8 10 26 34 6 104 6 34 26 10 8 22 6 8 22 (?)
a_n: 0 22 30 36 58 66 76 102 136 142 246 252 286 312 322 330 352 358 366 388
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: 388
Found by: arkiss
db: batch=79, k=20, 22 8 6 22 8 10 26 34 6 104

SPT(16)	1664240560577476549	0 12 52 72 90 114 120 132 142 154 160 184 202 222 262 274	-1928231368692
SPT(16)	1664240604780022961	0 6 48 90 116 126 128 150 356 378 380 390 416 458 500 506	-1884028822280
TPT(14)	1664241171803741987	0 2 24 26 120 122 150 152 210 212 222 224 234 236	-1317005103254
SPT(16)	1664241803856463499	0 38 42 48 50 128 132 140 162 170 174 252 254 260 264 302	-684952381742
TPT(14)	1664241935399293091	0 2 6 8 30 32 48 50 90 92 156 158 216 218	-553409552150
SPT(18)	1664242145741669069	0 42 60 78 92 98 132 140 144 188 192 200 234 240 254 272 290 332	-343067176172
STPT(10)	1664242798251413069	0 2 18 20 30 32 42 44 60 62	309442567828
SPT(18)	1664242806757647037	0 42 52 54 64 82 106 120 126 130 136 150 174 192 202 204 214 256	317948801796
STPT(10)	1664243426584712429	0 2 42 44 120 122 198 200 240 242	937775867188
SPT(16)	1664243505264345749	0 30 38 72 74 98 108 120 122 134 144 168 170 204 212 242	1016455500508
STPT(10)	1664243796898473821	0 2 30 32 60 62 90 92 120 122	1308089628580