1: (2 9 20)

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

2: (1 19 8)

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

3: (0 4 9)

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

4: (3 18 5)

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