1: (6 11 15)

(0 10 8)(1 15 9 13 11)(2 20 18)(3 17 5)(4 12 7)(6)(14 19 16)

2: (4 12 7)

(0 10 8)(1 15 9 13 11)(2 20 18)(3 17 5)(4)(6)(7)(12)(14 19 16)

3: (1 13 11)

(0 10 8)(1)(2 20 18)(3 17 5)(4)(6)(7)(9 13 15)(11)(12)(14 19 16)

4: (3 17 5)

(0 10 8)(1)(2 20 18)(3)(4)(5)(6)(7)(9 13 15)(11)(12)(14 19 16)(17)