class: 0,1,2
X00: continuous
X01: continuous
X02: continuous
X03: continuous
X04: continuous
X05: continuous
X06: continuous
X07: continuous
X08: continuous
X09: continuous
X10: continuous
X11: continuous
X12: continuous
X13: continuous
X14: continuous
X15: continuous
X16: continuous
X17: continuous
X18: continuous
X19: continuous
X20: continuous