1: (1 6 12)

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

2: (5 17 10)

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

3: (9 13 11)

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

4: (3 15 12)

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