D121211111111233131333131333132311313231323223313231323212331323133313231322321   >>    D12121111111123313133313133313231131323132322331323132321233132313331323132232   <<    D121211111111233131333131333132311313231323223313231323212331323133313231322323   >>      D121211111111233131333131333132311313231323223313231323212331323133313231322322   >>