1: (0 5 15)

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

2: (4 19 10)

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

3: (14 21 16)

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

4: (2 11 15)

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