1: (0 1 4)

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

2: (4 8 19)

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

3: (6 21 12)

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

4: (7 13 9)

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