# class Boardpos:
# 	def __init__(self):
#         	self.a = [[0 for i in range(0,7)] for j in range(0,6)]
	    
#please use the below class

class Boardpos:
	def __init__(self):
              self.a = [[0 for i in range(0,7)] for j in range(0,6)]
              self.du=0
              self.th=0
              self.fr=0
              self.ftb=0
              self.fblk=0
