D12121212213231323132323323132322331323331323221211111323132311331   >>    D1212121221323132313232332313232233132333132322121111132313231133   <<    D12121212213231323132323323132322331323331323221211111323132311333   >>      D12121212213231323132323323132322331323331323221211111323132311332   >>