Prime p₀= 756450584959891109 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 2 16 24 44 130 50 10 56 10 50 130 44 24 16 2 12 (?)
a_n: 0 12 14 30 54 98 228 278 288 344 354 404 534 578 602 618 620 632
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: 632
Found by: jozef j
db: batch=73, k=18, 12 2 16 24 44 130 50 10 56

SPT(16)	756450262771911629	0 8 48 108 120 162 174 188 204 218 230 272 284 344 384 392	-322187979480
STPT(10)	756450302829081737	0 2 30 32 60 62 90 92 120 122	-282130809372
SPT(16)	756450343380305869	0 72 102 114 142 210 262 280 312 330 382 450 478 490 520 592	-241579585240
SPT(16)	756450493516761677	0 2 6 20 32 36 44 74 102 132 140 144 156 170 174 176	-91443129432
SPT(16)	756450496560888859	0 22 34 72 94 118 120 130 132 142 144 168 190 228 240 262	-88399002250
SPT(16)	756450555666318031	0 18 28 46 60 100 112 142 156 186 198 238 252 270 280 298	-29293573078
STPT(10)	756450650386404299	0 2 18 20 30 32 42 44 60 62	65426513190
STPT(10)	756450801680012741	0 2 30 32 78 80 126 128 156 158	216720121632
SPT(16)	756450958499642221	0 30 40 112 132 142 160 162 208 210 228 238 258 330 340 370	373539751112
STPT(10)	756451051125046307	0 2 30 32 60 62 90 92 120 122	466165155198
STPT(10)	756451080893116517	0 2 30 32 42 44 54 56 84 86	495933225408