1: (1 5 8)

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

2: (4 15 6)

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

3: (5 10 7)

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

4: (1 12 9)

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