C121213213331322331313331311331312111133131331211111233132233313111   >>    C12121321333132233131333131133131211113313133121111123313223331311   <<    C121213213331322331313331311331312111133131331211111233132233313113   >>      C121213213331322331313331311331312111133131331211111233132233313112   >>