1100ff contains 1001010010110210310410510610710810910a10b10c10d10e10f110210310410510610710810910a10b10c10d10e10f10 contains 0f00f0f00f10f20f30f40f50f60f70f80f90fa0fb0fc0fd0fe0ff10f20f30f40f50f60f70f80f90fa0fb0fc0fd0fe0ff0f contains 1f01f11f1f01f11f21f31f41f51f61f71f81f91fa1fb1fc1fd1fe1ff21f31f41f51f61f71f81f91fa1fb1fc1fd1fe1ff1f
contains 1001010010110210310410510610710810910a10b10c10d10e10f110210310410510610710810910a10b10c10d10e10f10
contains 0f00f0f00f10f20f30f40f50f60f70f80f90fa0fb0fc0fd0fe0ff10f20f30f40f50f60f70f80f90fa0fb0fc0fd0fe0ff0f
contains 1f01f11f1f01f11f21f31f41f51f61f71f81f91fa1fb1fc1fd1fe1ff21f31f41f51f61f71f81f91fa1fb1fc1fd1fe1ff1f