C312111333131323132313233313131323132313132322331323331323233232233221   >>    C31211133313132313231323331313132313231313232233132333132323323223322   <<    C312111333131323132313233313131323132313132322331323331323233232233223   >>      C312111333131323132313233313131323132313132322331323331323233232233222   >>