1: (5 9 16)

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

2: (4 11 7)

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

3: (5 9 16)

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

4: (8 13 10)

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