1: (0 3 9)

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

2: (1 19 5)

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

3: (2 20 4)

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

4: (0 21 10)

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