1: (1 5 10)

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

2: (4 13 7)

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

3: (1 15 12)

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

4: (3 8 6)

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