[1,2,3]
[]	(0,0)
[0]	(1,111)
[0,1]	(2,222)
[0,1,2]	(3,77)
[0,1,2,3]	(4,188)
[0,1,2,3,4]	(5,43)
[0,1,2,3,4,5]	(6,154)
[0,1,2,3,4,5,6]	(7,9)
[0,1,2,3,4,5,6,7]	(8,120)
[0,1,2,3,4,5,6,7,8]	(9,231)