D13231123313133313133112323223313233313231322132313331323132333132322113221   >>    D1323112331313331313311232322331323331323132213231333132313233313232211322   <<    D13231123313133313133112323223313233313231322132313331323132333132322113223   >>      D13231123313133313133112323223313233313231322132313331323132333132322113222   >>