𝑆𝑖𝑔𝑎𝑚 𝑚𝑖𝑛ℎ𝑎𝑠 𝑐𝑜𝑙𝑒𝑐̧𝑜̃𝑒𝑠, 𝑅𝑒𝑡𝑟𝑖𝑏𝑢𝑜