D33211132313231333131323132213231323221313231323223313232223321   >>    D3321113231323133313132313221323132322131323132322331323222332   <<    D33211132313231333131323132213231323221313231323223313232223323   >>      D33211132313231333131323132213231323221313231323223313232223322   >>