D12121212213231323132323323132322331323131122112322133313111231   >>    D1212121221323132313232332313232233132313112211232213331311123   <<    D12121212213231323132323323132322331323131122112322133313111233   >>      D12121212213231323132323323132322331323131122112322133313111232   >>