1: (0 1 2)

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

2: (2 5 7)

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

3: (4 12 6)

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

4: (1 7 3)

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