1: (0 3 7)

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

2: (2 21 4)

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

3: (5 7 10)

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

4: (3 12 6)

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