1: (3 5 12)

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

2: (0 6 4)

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

3: (5 18 7)

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

4: (2 19 17)

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