1: (0 5 11)

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

2: (3 12 10)

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

3: (1 7 4)

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

4: (6 11 9)

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