1: (4 10 20)

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

2: (0 19 7)

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

3: (4 10 20)

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

4: (6 12 9)

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