https://artandatoms.com/1-1-41-2212-4-2-3-23-2212-2-3-8-2212-3-2-8-3-2/
1. (1 + 4)(1 2212 4) , 2. (3 + 2)(3 2212 2) , 3. (8 2212 3 2 )(8 + 3 2 )