package cap3

func Work12() []int {
    size := 52
    cardStatus := make([]bool, 52)
    start, count := 2, 0
    for count <= 104 {
        for j := start; j < size; j++ {
            if j%start == 0 {
                cardStatus[j] = !cardStatus[j]
                count++
            }
        }
    }

    result := make([]int, 0)
    for i, faceDown := range cardStatus {
        if !faceDown {
            result = append(result, i)
        }
    }

    return result
}