D23112313233313223313132322331323331323121111331323132313311232211   >>    D2311231323331322331313232233132333132312111133132313231331123221   <<    D23112313233313223313132322331323331323121111331323132313311232213   >>      D23112313233313223313132322331323331323121111331323132313311232212   >>