1: (0 3 4)

(0)(1 12 10 8 7 6 3 20 4)(2 9 5)(11 15 13)(14 18 16)(17 21 19)

2: (4 7 20)

(0)(1 12 10 8 7)(2 9 5)(3 20 6)(4)(11 15 13)(14 18 16)(17 21 19)

3: (2 9 5)

(0)(1 12 10 8 7)(2)(3 20 6)(4)(5)(9)(11 15 13)(14 18 16)(17 21 19)

4: (1 12 7)

(0)(1)(2)(3 20 6)(4)(5)(7 10 8)(9)(11 15 13)(12)(14 18 16)(17 21 19)