1: (7 9 15)

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

2: (4 10 8)

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

3: (5 16 14)

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

4: (6 15 13)

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