matrix{
ccol{ {} above {roman "0"} above {roman "1"} above {roman "2"} above {roman "3"} above {roman "4"} above {roman "5"} above {roman "6"} above {roman "7"} above {roman "8"} above {roman "9"} above {roman "A"} above {roman "B"} above {roman "C"} above {roman "D"} above {roman "E"} above {roman "F"} }
ccol{ {roman "27F"} above \[u27F0] above \[u27F1] above \[u27F2] above \[u27F3] above \[u27F4] above \[u27F5] above \[u27F6] above \[u27F7] above \[u27F8] above \[u27F9] above \[u27FA] above \[u27FB] above \[u27FC] above \[u27FD] above \[u27FE] above \[u27FF] }
}