1: (0 3 15)

(0)(1 7 3 17 12 18 15)(2 16 14)(4 19 5)(6 10 8)(9 13 11)

2: (2 16 14)

(0)(1 7 3 17 12 18 15)(2)(4 19 5)(6 10 8)(9 13 11)(14)(16)

3: (1 7 15)

(0)(1)(2)(3 17 12 18 15)(4 19 5)(6 10 8)(7)(9 13 11)(14)(16)

4: (12 18 15)

(0)(1)(2)(3 17 12)(4 19 5)(6 10 8)(7)(9 13 11)(14)(15)(16)(18)