C312111333131323132313233313131323132313132322331323331322311331   >>    C31211133313132313231323331313132313231313232233132333132231133   <<    C312111333131323132313233313131323132313132322331323331322311333   >>      C312111333131323132313233313131323132313132322331323331322311332   >>