D12121111111123313133313133313231131323132322331323132321233132313331323222131   >>    D1212111111112331313331313331323113132313232233132313232123313231333132322213   <<    D12121111111123313133313133313231131323132322331323132321233132313331323222133   >>      D12121111111123313133313133313231131323132322331323132321233132313331323222132   >>