1: (2 7 15)

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

2: (0 9 5)

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

3: (8 17 10)

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

4: (2 20 6)

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