Prime p₀= 2554845095257261931 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 8 28 84 18 30 66 42 32 42 66 30 18 84 28 8 12 (?)
a_n: 0 12 20 48 132 150 180 246 288 320 362 428 458 476 560 588 596 608
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: 608
Found by: JayPi
db: batch=82, k=18, 12 8 28 84 18 30 66 42 32

SPT(16)	2554843018211930779	0 4 54 60 84 90 120 138 154 172 202 208 232 238 288 292	-2077045331152
SPT(16)	2554843444345867313	0 20 44 86 104 176 216 218 246 248 288 360 378 420 444 464	-1650911394618
STPT(10)	2554843808194314731	0 2 6 8 48 50 90 92 96 98	-1287062947200
SPT(16)	2554844511459738283	0 4 66 120 144 156 174 190 240 256 274 286 310 364 426 430	-583797523648
STPT(10)	2554844882485190759	0 2 48 50 60 62 72 74 120 122	-212772071172
STPT(10)	2554844893759696589	0 2 42 44 60 62 78 80 120 122	-201497565342
TPT(14)	2554845232106832527	0 2 30 32 90 92 300 302 330 332 354 356 384 386	136849570596
SPT(16)	2554845236541087563	0 6 14 36 66 78 104 108 146 150 176 188 218 240 248 254	141283825632
SPT(16)	2554845533603370181	0 30 40 42 72 88 102 108 130 136 150 166 196 198 208 238	438346108250
SPT(16)	2554845609679698793	0 16 24 58 76 100 106 126 148 168 174 198 216 250 258 274	514422436862
SPT(16)	2554845652759549267	0 16 40 42 150 156 186 214 222 250 280 286 394 396 420 436	557502287336