1: (1 4 18)

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

2: (0 8 2)

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

3: (6 18 9)

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

4: (3 17 5)

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