1: (0 2 13)

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

2: (1 20 6)

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

3: (4 13 21)

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

4: (3 10 5)

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