1: (0 1 9)

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

2: (3 9 21)

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

3: (2 15 4)

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

4: (1 20 9)

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