1: (2 5 8)

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

2: (4 16 6)

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

3: (1 9 7)

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

4: (3 12 8)

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