D12121212213231323132323323132322331323131121113231323132322111   >>    D1212121221323132313232332313232233132313112111323132313232211   <<    D12121212213231323132323323132322331323131121113231323132322113   >>      D12121212213231323132323323132322331323131121113231323132322112   >>