1: (0 3 7)

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

2: (5 7 21)

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

3: (4 11 6)

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

4: (3 20 7)

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