1: (7 13 16)

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

2: (11 17 15)

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

3: (7 13 16)

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

4: (6 12 9)

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