1: (0 5 7)

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

2: (3 11 5)

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

3: (2 20 4)

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

4: (3 14 7)

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