1: (4 11 18)

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

2: (1 16 7)

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

3: (8 17 15)

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

4: (6 11 9)

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