1: (1 7 12)

(0 20 2)(1 10 5 18 15 12 3)(4 16 14 13 11)(6 9 8)(7)(17 21 19)

2: (4 16 11)

(0 20 2)(1 10 5 18 15 12 3)(4)(6 9 8)(7)(11 14 13)(16)(17 21 19)

3: (1 10 5)

(0 20 2)(1 18 15 12 3)(4)(5)(6 9 8)(7)(10)(11 14 13)(16)(17 21 19)

4: (1 18 15)

(0 20 2)(1 12 3)(4)(5)(6 9 8)(7)(10)(11 14 13)(15)(16)(17 21 19)(18)