1: (0 1 10)

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

2: (4 10 20)

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

3: (2 18 7)

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

4: (3 8 5)

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