1"slice_out","slice_in"
2"FlowSlice1Start","FlowSlice1End"
3"FlowSlice1Start2Start","FlowSlice1End"
4"FlowSlice1Start2Start","FlowSlice2End"
5"FlowSlice3Begin","FlowSlice3End4Begin"
6"FlowSlice3End4Begin","FlowSlice4Step"
7"FlowSlice4Step","FlowSlice4End"
8