1: (6 11 13)

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

2: (4 12 9)

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

3: (6 11 13)

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

4: (5 17 7)

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