1: (1 5 8)

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

2: (4 14 6)

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

3: (7 15 13)

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

4: (1 6 11)

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