C312111333131323132313233313131323132313132322331323331323211232313231323221   >>    C31211133313132313231323331313132313231313232233132333132321123231323132322   <<    C312111333131323132313233313131323132313132322331323331323211232313231323223   >>      C312111333131323132313233313131323132313132322331323331323211232313231323222   >>