1: (5 6 8)

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

2: (6 14 16)

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

3: (11 17 15)

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

4: (4 16 8)

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