private CalcBackCell(CalcBackCell cell, uint seed, uint tsv)
 {
     this.prevCell     = cell;
     this.core         = cell.core;
     this.seed         = seed;
     this.tsvCondition = tsv;
 }
 private CalcBackCell(GCSlot slot, uint seed)
 {
     this.prevCell     = RootCell.Instance;
     this.core         = new CalcBackCore(seed, slot);
     this.seed         = seed;
     this.tsvCondition = 0x10000;
 }