1: (0 1 5)

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

2: (1 8 17)

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

3: (7 19 9)

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

4: (5 20 17)

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