1: (0 1 5)

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

2: (2 5 7)

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

3: (4 12 6)

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

4: (3 15 8)

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