Prime p₀= 211157015136286049 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 12 6 24 12 8 12 6 30 10 2 10 30 6 12 8 12 24 6 12 (?)
a_n: 0 12 18 42 54 62 74 80 110 120 122 132 162 168 180 188 200 224 230 242
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: 242
derived by truncating larger tuple
Found by: Megacruncher
db: batch=69, k=20, 12 6 24 12 8 12 6 30 10 2

SPT(14)	211156955638522609	0 60 88 94 118 132 148 174 190 204 228 234 262 322	-59497763440
SPT(14)	211156987769669129	0 24 48 60 102 144 168 234 258 300 342 354 378 402	-27366616920
SPT(14)	211157004214277113	0 6 10 24 46 84 114 130 160 198 220 234 238 244	-10922008936
STPT(10)	211157008143316799	0 2 12 14 90 92 168 170 180 182	-6992969250
SPT(14)	211157013971991623	0 8 50 74 96 110 126 128 144 158 180 204 246 254	-1164294426
SPT(22)	211157015136286031	0 18 30 36 60 72 80 92 98 128 138 140 150 180 186 198 206 218 242 248 260 278	-18
SPT(14)	211157035793787749	0 24 50 84 108 120 150 212 242 254 278 312 338 362	20657501700
SPT(14)	211157067758663783	0 8 26 30 50 84 126 128 170 204 224 228 246 254	52622377734
SPT(14)	211157071349234711	0 12 26 38 56 60 78 140 158 162 180 192 206 218	56212948662
SPT(14)	211157071537010083	0 16 18 46 84 144 150 154 160 220 258 286 288 304	56400724034
SPT(16)	211157086241187217	0 42 96 120 126 136 150 192 274 316 330 340 346 370 424 466	71104901168
TPT(12)	211157092797047477	0 2 12 14 42 44 174 176 210 212 222 224	77660761428