D1212121221323132313232332313232233132322331333112322132313231131   >>    D121212122132313231323233231323223313232233133311232213231323113   <<    D1212121221323132313232332313232233132322331333112322132313231133   >>      D1212121221323132313232332313232233132322331333112322132313231132   >>