Group1:
U1U2U3

Group2:
U1U2U3

Group3:
U1U2U3

Group4
U1U2U3

Group5:
U1U2U3

Group6:
U1U2U3

Group7:
U1U2U3

Group8:
U1U2U3

Group9:
U1U2U3

Group10:
U1U2U3