Prime p₀= 2222402962904404387 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 24 22 20 60 10 8 12 22 12 8 10 60 20 22 24 6 (?)
a_n: 0 6 30 52 72 132 142 150 162 184 196 204 214 274 294 316 340 346
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: 346
Found by: JayPi
db: batch=81, k=18, 6 24 22 20 60 10 8 12 22

SPT(16)	2222401468160294017	0 16 106 114 330 396 406 424 462 480 490 556 772 780 870 886	-1494744110370
STPT(10)	2222402013648730337	0 2 54 56 72 74 90 92 144 146	-949255674050
STPT(10)	2222402348821229747	0 2 30 32 42 44 54 56 84 86	-614083174640
SPT(16)	2222402700444454153	0 30 66 90 124 138 150 184 300 334 346 360 394 418 454 484	-262459950234
TPT(14)	2222402722227492557	0 2 30 32 60 62 102 104 132 134 240 242 342 344	-240676911830
STPT(10)	2222402892004903589	0 2 42 44 60 62 78 80 120 122	-70899500798
TPT(14)	2222403632462601857	0 2 12 14 42 44 84 86 90 92 150 152 162 164	669558197470
SPT(16)	2222403638732392097	0 12 50 72 126 152 236 240 302 306 390 416 470 492 530 542	675827987710
STPT(10)	2222403832240576217	0 2 72 74 102 104 132 134 204 206	869336171830
STPT(10)	2222403989486494127	0 2 30 32 72 74 114 116 144 146	1026582089740
STPT(10)	2222404073651612309	0 2 18 20 30 32 42 44 60 62	1110747207922