1: (0 3 7)

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

2: (1 21 4)

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

3: (3 13 6)

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

4: (0 4 2)

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