puzzlords.com combo rule: skew4

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.