Add spaces: ThreeStrandsWatermelonRedBaroquePearlNecklacewithShellFlowerClasp

Answer: Three Strands Watermelon Red Baroque Pearl Necklace with Shell Flower Clasp

Add spaces: Participatingdogs:24,22inofficialclasses

Answer: Participating dogs: 24, 22 in official classes

Add spaces: 9981Expensesrelatingtopurchase/saleofresidential(1981-1987)

Answer:
9981 Expenses relating to purchase/sale of residential (1981-1987)