1: (7 10 15)

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

2: (4 11 8)

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

3: (7 10 15)

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

4: (6 16 14)

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