1: (0 3 7)

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

2: (2 21 5)

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

3: (4 8 6)

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

4: (1 9 7)

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