D12121323331313223313233313131313231323223313131323331323133313233321   >>    D1212132333131322331323331313131323132322331313132333132313331323332   <<    D12121323331313223313233313131313231323223313131323331323133313233323   >>      D12121323331313223313233313131313231323223313131323331323133313233322   >>