D12121212213231323132323323132322331323331323222333132313233311211   >>    D1212121221323132313232332313232233132333132322233313231323331121   <<    D12121212213231323132323323132322331323331323222333132313233311213   >>      D12121212213231323132323323132322331323331323222333132313233311212   >>