1: (1 5 9)

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

2: (3 11 6)

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

3: (5 10 7)

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

4: (0 4 2)

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