package main

import "fmt"

func countClumps(sl []int) uint {
	var count uint
	var prevs [2]int
	for idx, val := range sl {
		if (idx == 1 && val == prevs[1]) || (idx > 1 && val == prevs[1] && prevs[0] != prevs[1]) {
			count++
		}
		prevs[0] = prevs[1]
		prevs[1] = val
	}
	return count
}

func main() {
	fmt.Println(countClumps([]int{2, 2, 2, 3, 4, 4}))
	fmt.Println(countClumps([]int{1, 1, 2, 1, 1}))
	fmt.Println(countClumps([]int{1, 1, 1, 1, 1}))
	fmt.Println(countClumps([]int{0, 1, 1, 1, 1}))
	fmt.Println(countClumps([]int{0, 0}))
	fmt.Println(countClumps([]int{0}))
	fmt.Println(countClumps([]int{1, 1, 2, 3, 1, 4, 1, 1}))
}