Prime p₀= 2178894510319941761 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 36 36 20 6 40 14 6 22 18 2 18 22 6 14 40 6 20 36 36 (?)
a_n: 0 36 72 92 98 138 152 158 180 198 200 218 240 246 260 300 306 326 362 398
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: 398
derived by truncating larger tuple
Found by: Marion1
db: batch=81, k=20, 36 36 20 6 40 14 6 22 18 2

STPT(12)	2178892477045327607	0 2 12 14 42 44 102 104 132 134 144 146	-2033274614154
STPT(10)	2178892610894317817	0 2 42 44 72 74 102 104 144 146	-1899425623944
STPT(10)	2178894206837304959	0 2 30 32 60 62 90 92 120 122	-303482636802
STPT(10)	2178894255571686941	0 2 36 38 78 80 120 122 156 158	-254748254820
STPT(10)	2178894387311635727	0 2 24 26 42 44 60 62 84 86	-123008306034
SPT(22)	2178894510319941751	0 10 46 82 102 108 148 162 168 190 208 210 228 250 256 270 310 316 336 372 408 418	-10
STPT(10)	2178894744223618241	0 2 6 8 18 20 30 32 36 38	233903676480
SPT(16)	2178894862088809483	0 10 16 36 58 66 120 124 150 154 208 216 238 258 264 274	351768867722
SPT(18)	2178894942093131077	0 36 40 54 60 82 112 154 186 190 222 264 294 316 322 336 340 376	431773189316
SPT(16)	2178894964246588897	0 24 46 72 100 106 112 126 130 144 150 156 184 210 232 256	453926647136
SPT(16)	2178895045370238599	0 8 20 62 98 104 132 188 204 260 288 294 330 372 384 392	535050296838
STPT(10)	2178895121070898199	0 2 12 14 30 32 48 50 60 62	610750956438