1: (7 10 15)

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

2: (6 11 8)

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

3: (7 10 15)

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

4: (9 17 14)

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