1: (1 8 16)

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

2: (2 17 15)

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

3: (1 11 3)

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

4: (6 12 10)

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