1: (0 1 9)

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

2: (4 15 21)

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

3: (3 19 10)

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

4: (1 20 15)

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