1: (1 6 10)

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

2: (2 14 7)

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

3: (9 18 11)

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

4: (1 7 5)

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