1: (0 3 7)

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

2: (2 21 5)

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

3: (4 7 10)

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

4: (6 7 11)

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