1: (0 1 17)

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

2: (9 17 20)

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

3: (7 18 16)

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

4: (6 19 17)

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