1: (6 7 9)

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

2: (1 3 7)

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

3: (2 19 4)

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

4: (3 9 5)

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