D1212121221323132313232332313232233131133131323223313231323133311321   >>    D121212122132313231323233231323223313113313132322331323132313331132   <<    D1212121221323132313232332313232233131133131323223313231323133311323   >>      D1212121221323132313232332313232233131133131323223313231323133311322   >>