1: (0 2 7)

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

2: (3 7 16)

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

3: (1 18 4)

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

4: (6 20 9)

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