[−4,4]ও[0,2][-4, 4] ও [0, 2][−4,4]ও[0,2]
[−2,2]ও[0,4][-2, 2] ও [0, 4][−2,2]ও[0,4]
[−2,2]3[0,ও1][-2, 2] 3 [0, ও 1][−2,2]3[0,ও1]
[−2,2][0,2][-2, 2] [0, 2][−2,2][0,2]