1: (0 1 2)

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

2: (1 7 16)

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

3: (6 18 8)

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

4: (2 20 16)

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