1: (1 7 10)

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

2: (6 13 8)

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

3: (9 15 12)

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

4: (2 7 11)

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