C312111333131323132313233313131323132313132322331323331311331322111   >>    C31211133313132313231323331313132313231313232233132333131133132211   <<    C312111333131323132313233313131323132313132322331323331311331322113   >>      C312111333131323132313233313131323132313132322331323331311331322112   >>