1: (0 5 10)

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

2: (4 11 8)

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

3: (1 6 10)

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

4: (0 7 3)

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