D121211111111233131333131333132311313231323223313231323112331323223111   >>    D12121111111123313133313133313231131323132322331323132311233132322311   <<    D121211111111233131333131333132311313231323223313231323112331323223113   >>      D121211111111233131333131333132311313231323223313231323112331323223112   >>