ff22ff contains f20f21f22f23f24f25f26f27f28f29f2af2bf2cf2df2ef2f20f21f22f23f24f25f26f27f28f29f2af2bf2cf2df2ef2fff2 contains 2f02f12f22f2f02f12f22f32f42f52f62f72f82f92fa2fb2fc2fd2fe2ff32f42f52f62f72f82f92fa2fb2fc2fd2fe2ff2f contains ff0ff1ff2ff3ff4ff5ff6ff7ff8ff9ffaffbffcffdffeffff0ff1ff2ff3ff4ff5ff6ff7ff8ff9ffaffbffcffdffefff
contains f20f21f22f23f24f25f26f27f28f29f2af2bf2cf2df2ef2f20f21f22f23f24f25f26f27f28f29f2af2bf2cf2df2ef2fff2
contains 2f02f12f22f2f02f12f22f32f42f52f62f72f82f92fa2fb2fc2fd2fe2ff32f42f52f62f72f82f92fa2fb2fc2fd2fe2ff2f
contains ff0ff1ff2ff3ff4ff5ff6ff7ff8ff9ffaffbffcffdffeffff0ff1ff2ff3ff4ff5ff6ff7ff8ff9ffaffbffcffdffefff