D2122132313112331313133313223313113313132322331323221122112323132311311   >>    D212213231311233131313331322331311331313232233132322112211232313231131   <<    D2122132313112331313133313223313113313132322331323221122112323132311313   >>      D2122132313112331313133313223313113313132322331323221122112323132311312   >>