1: (0 3 8)

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

2: (5 8 21)

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

3: (4 9 6)

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

4: (3 15 8)

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