1: (2 6 13)

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

2: (5 14 12)

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

3: (2 6 13)

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

4: (1 7 4)

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