1: (0 3 9)

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

2: (5 9 21)

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

3: (4 10 6)

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

4: (3 20 9)

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