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 "20A"} above \[u20A0] above \[u20A1] above \[u20A2] above \[u20A3] above \[u20A4] above \[u20A5] above \[u20A6] above \[u20A7] above \[u20A8] above \[u20A9] above \[u20AA] above \[u20AB] above \[u20AC] above \[u20AD] above \[u20AE] above \[u20AF] }
ccol{ {roman "20B"} above \[u20B0] above \[u20B1] above \[u20B2] above \[u20B3] above \[u20B4] above \[u20B5] above \[u20B6] above \[u20B7] above \[u20B8] above @ above @ above @ above @ above @ above @ above @ }
ccol{ {roman "20C"} above @ above @ above @ above @ above @ above @ above @ above @ above @ above @ above @ above @ above @ above @ above @ above @ }
}