There are 3 partitions:
Partition P1 has 2 items:
Statistics StatsP1_1
Statistics StatsP1_2
Partition P2 has 3 items:
Statistics StatsP2_1
Statistics StatsP2_2
Statistics StatsP2_3
Partition P3 has 2 items:
Statistics StatsP3_1
Statistics StatsP3_2