D1212121221323132313232332313232233132322331311312112331323132321   >>    D121212122132313231323233231323223313232233131131211233132313232   <<    D1212121221323132313232332313232233132322331311312112331323132323   >>      D1212121221323132313232332313232233132322331311312112331323132322   >>