puzzlords.com combo rule: l4

This rule specifies an Ordinal Combo (ordinalcombos.com) that contains 4 Series 1 Puzzlords (puzzlords.com/catalog) arranged in the following pattern:

              ┌──────┐
              │      │
              │  1   │
              │      │
┌──────┬──────┼──────┤
│      │      │      │
│  2   │  3   │  4   │
│      │      │      │
└──────┴──────┴──────┘

Puzzlords must be included in the combo inscription in the order shown in the above diagram.

Puzzlords must match color on adjacent sides.