1: (0 3 8)

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

2: (1 9 7)

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

3: (5 8 21)

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

4: (4 11 6)

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