1: (3 7 16)

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

2: (6 18 8)

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

3: (15 19 17)

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

4: (4 10 16)

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