1: (4 8 13)

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

2: (7 16 9)

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

3: (4 8 13)

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

4: (11 17 15)

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