ff1100 contains f10f11f12f13f14f15f16f17f18f19f1af1bf1cf1df1ef1f10f11f12f13f14f15f16f17f18f19f1af1bf1cf1df1ef1fff1 contains 1001010010110210310410510610710810910a10b10c10d10e10f110210310410510610710810910a10b10c10d10e10f10 contains f00f01f02f03f04f05f06f07f08f09f0af0bf0cf0df0ef0f00f01f02f03f04f05f06f07f08f09f0af0bf0cf0df0ef0fff0
contains f10f11f12f13f14f15f16f17f18f19f1af1bf1cf1df1ef1f10f11f12f13f14f15f16f17f18f19f1af1bf1cf1df1ef1fff1
contains 1001010010110210310410510610710810910a10b10c10d10e10f110210310410510610710810910a10b10c10d10e10f10
contains f00f01f02f03f04f05f06f07f08f09f0af0bf0cf0df0ef0f00f01f02f03f04f05f06f07f08f09f0af0bf0cf0df0ef0fff0