1: (0 1 17)

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

2: (9 17 20)

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

3: (6 18 15)

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

4: (1 19 17)

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