1: (2 7 11)

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

2: (6 12 8)

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

3: (2 7 11)

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

4: (1 9 5)

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