1: (7 11 15)

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

2: (4 13 9)

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

3: (12 17 14)

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

4: (7 19 10)

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