1: (5 9 15)

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

2: (8 17 10)

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

3: (14 19 16)

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

4: (7 11 15)

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