1: (0 4 15)

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

2: (1 16 14)

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

3: (0 8 2)

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

4: (3 9 5)

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