   layout_b.shapes.push({
        type: "rect",
        xref: "x",
        yref: "y",
        x0: coff - 0.5,
        y0: coff - 0.5,
        x1: coff + cluster.length - 0.5,
        y1: coff + cluster.length - 0.5,
        //fillcolor: '#d3d3d3',
        //opacity: 0.5,
        line: {width: 1.8, color: '#a41414'},
    })
    coff += cluster.length

});

var traces_b = []
var traces_a = []


var rel_pairs = new Map()
var rel_pairs_value_2_rel = new Map()
rel_pairs_value_2_rel.set(0, 0)
if ("expected-relate