1: (2 6 12)

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

2: (1 7 5)

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

3: (6 16 8)

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

4: (9 17 15)

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