1: (0 6 18)

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

2: (2 20 17)

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

3: (1 7 5)

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

4: (3 6 19)

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