1: (2 5 11)

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

2: (1 6 4)

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

3: (5 16 7)

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

4: (8 17 15)

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