D3313123121113232223323132313231323221323132322331322331323232211   >>    D331312312111323222332313231323132322132313232233132233132323221   <<    D3313123121113232223323132313231323221323132322331322331323232213   >>      D3313123121113232223323132313231323221323132322331322331323232212   >>