1: (1 2 7)

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

2: (4 7 20)

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

3: (0 8 6)

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

4: (3 11 5)

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