D12121212213231323132323323132322331323132322133313132313231312323221   >>    D1212121221323132313232332313232233132313232213331313231323131232322   <<    D12121212213231323132323323132322331323132322133313132313231312323223   >>      D12121212213231323132323323132322331323132322133313132313231312323222   >>