D12121323331313331313123231313231323132313233313331323223312121
>>
D1212132333131333131312323131323132313231323331333132322331212
<<
D12121323331313331313123231313231323132313233313331323223312123
>>
D12121323331313331313123231313231323132313233313331323223312122
>>