1: (1 6 10)

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

2: (4 17 8)

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

3: (5 9 7)

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

4: (1 6 11)

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