1: (0 3 9)

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

2: (2 20 5)

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

3: (4 16 6)

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

4: (5 10 7)

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