1: (0 3 4)

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

2: (4 8 11)

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

3: (7 12 9)

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

4: (3 11 6)

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