topValueCount.register(new ValueCount("o", 6));
topValueCount.register(new ValueCount("p", 6));
topValueCount.register(new ValueCount("q", 7));
topValueCount.register(new ValueCount("r", 7));
topValueCount.register(new ValueCount("s", 8));
topValueCount.register(new ValueCount("t", 8));
topValueCount.register(new ValueCount("u", 9));
topValueCount.register(new ValueCount("v", 9));
// even though it is not nescesary for the slice threshold to group
// these 4 values, we do so for the sake of "grouping consistency"