1: (9 17 19)

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

2: (5 17 15)

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

3: (4 11 6)

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

4: (8 14 10)

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