D13231123313133313133112323223313233313231322132313331323133313132233231   >>    D1323112331313331313311232322331323331323132213231333132313331313223323   <<    D13231123313133313133112323223313233313231322132313331323133313132233233   >>      D13231123313133313133112323223313233313231322132313331323133313132233232   >>