D21221323131123313112211231333132322331323312111112111113232233131   >>    D2122132313112331311221123133313232233132331211111211111323223313   <<    D21221323131123313112211231333132322331323312111112111113232233133   >>      D21221323131123313112211231333132322331323312111112111113232233132   >>