1: (1 9 12)

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

2: (8 13 10)

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

3: (7 16 12)

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

4: (6 17 15)

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