from typing import Counter


def four_finder(hand):
	"""
	Takes a 5-card hand, concats, only takes ranks
	If we get 4 of a kind, return list:
	[10, quad rank, 0, 0, 0, 0]
	"""
	cards = ''.join(hand)[::2]
	if Counter(cards).most_common(1)[0][1] == 4:
		return [10, Counter(cards).most_common(1)[0][0], 0, 0, 0, 0]
	else:
		return [0, 0, 0, 0, 0, 0]