1: (0 5 6)

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

2: (3 8 5)

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

3: (2 18 4)

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

4: (3 14 6)

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