1: (0 4 7)

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

2: (1 21 5)

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

3: (3 8 6)

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

4: (2 9 7)

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