CK pool seems to hit 2 blocks very close to each other all the time...it's almost like a pattern.
Mined By Time Extra Info Size
409719 Solo CKPool 19 minutes ago 998.041 kB
408810 Solo CKPool 6 days 9 hours ago 998.173 kB
408758 Solo CKPool 6 days 18 hours ago 998.239 kB
407987 Solo CKPool 12 days ago 998.174 kB
407691 Solo CKPool 14 days 1 hour ago 998.155 kB
407492 Solo CKPool 15 days 10 hours ago 998.175 kB
404180 Solo CKPool 1 month 7 days ago 987.637 kB
402584 Solo CKPool 1 month 18 days ago 992.057 kB
401934 Solo CKPool 1 month 22 days ago 988.578 kB
401896 Solo CKPool 1 month 22 days ago 998.091 kB
401746 Solo CKPool 1 month 23 days ago 998.163 kB
401604 Solo CKPool 1 month 24 days ago 997.877 kB
401205 Solo CKPool 1 month 27 days ago 998.181 kB
401092 Solo CKPool 1 month 28 days ago 998.113 kB
400982 Solo CKPool 1 month 28 days ago 998.162 kB
400770 Solo CKPool 2 months ago 998.141 kB
400767 Solo CKPool 2 months ago 998.167 kB
400331 Solo CKPool 2 months 3 days ago 998.125 kB
400030 Solo CKPool 2 months 5 days ago 998.142 kB
399709 Solo CKPool 2 months 8 days ago
So the only question is who's next