D1212121221323132313232332313232233132322331311312112331313231323321   >>    D121212122132313231323233231323223313232233131131211233131323132332   <<    D1212121221323132313232332313232233132322331311312112331313231323323   >>      D1212121221323132313232332313232233132322331311312112331313231323322   >>