D231123313223313132313233313131323331313233313232332313331322211   >>    D23112331322331313231323331313132333131323331323233231333132221   <<    D231123313223313132313233313131323331313233313232332313331322213   >>      D231123313223313132313233313131323331313233313232332313331322212   >>