D12121323331313133313233313131313231323331322331311331323132333132322331322231   >>    D1212132333131313331323331313131323132333132233131133132313233313232233132223   <<    D12121323331313133313233313131313231323331322331311331323132333132322331322233   >>      D12121323331313133313233313131313231323331322331311331323132333132322331322232   >>