1: (4 6 11)

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

2: (1 8 5)

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

3: (4 6 11)

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

4: (7 13 9)

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