1: (3 7 15)

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

2: (6 18 8)

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

3: (14 19 16)

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

4: (4 10 15)

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