1: (0 2 4)

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

2: (4 16 20)

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

3: (15 21 19)

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

4: (2 20 13)

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