1: (2 5 8)

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

2: (0 7 4)

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

3: (1 19 3)

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

4: (5 9 17)

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