High Low ------------------------ -------------------- 000: 000: 001: 001000 001: 010: 010: 011: 011001 011: 100: 100101 100: 001100 101: 101: 110: 110111 110: 111: 111: 100111, 011111 Batch: 100, 011, 001, 110, 111, 100
Figure 2: Bucketing on low-order bits. The minimum element in each High bucket is left behind.