1: (0 4 7)

(0 5 2 20 9 7 3)(1 19 17)(4 8 6)(10 14 12)(11 18 16)(13 21 15)

2: (2 20 5)

(0 5 9 7 3)(1 19 17)(2)(4 8 6)(10 14 12)(11 18 16)(13 21 15)(20)

3: (4 8 6)

(0 5 9 7 3)(1 19 17)(2)(4)(6)(8)(10 14 12)(11 18 16)(13 21 15)(20)

4: (0 5 3)

(0)(1 19 17)(2)(3 9 7)(4)(5)(6)(8)(10 14 12)(11 18 16)(13 21 15)(20)