1: (9 13 18)

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

2: (4 13 12)

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

3: (8 17 10)

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

4: (7 15 11)

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