packetdiag rmt_symbols {
    colwidth = 32
    node_width = 16
    node_height = 24
    default_fontsize = 12

    0-14: Period (15)
    15: L
    16-30: Period (15)
    31: L
    32-95: ... [colheight=2]
    96-110: Period (15)
    111: L
    112-126: Period (15)
    127: L
}
