25R, 26R, 27R, 28R, 29R, 29L, 31L, 27L, 30L
25R, 26R, 27R, 28R, 29L, 31L, 27L, 30L
25R, 27R, 28R, 28L, 29L, 31L, 26L, 27L, 30L
25R, 26R, 27R, 28R, 28L, 29R, 29L, 30R, 26L, 27L, 30L, 31R