1: (3 17 20)

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

2: (0 3 8)

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

3: (2 9 4)

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

4: (1 18 5)

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