1: (0 3 4)

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

2: (4 9 11)

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

3: (8 12 10)

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

4: (3 11 7)

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