1: (1 5 10)

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

2: (4 21 6)

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

3: (0 20 3)

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

4: (2 5 21)

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