D3321113231323133313133313223313221323223313221323132313232212321   >>    D332111323132313331313331322331322132322331322132313231323221232   <<    D3321113231323133313133313223313221323223313221323132313232212323   >>      D3321113231323133313133313223313221323223313221323132313232212322   >>