H1.5 , H2 , H2.5 , H3 , H4 , H5 , H6 , H8 , H10
6 x 7, 8 x 10, 11 x 13, 12 x 13, 17 x 19, 22 x 24
8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19
