D12121212213231323132333131313231323331333133311331323223322131   >>    D1212121221323132313233313131323132333133313331133132322332213   <<    D12121212213231323132333131313231323331333133311331323223322133   >>      D12121212213231323132333131313231323331333133311331323223322132   >>