1: (3 9 20)

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

2: (0 19 6)

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

3: (3 9 20)

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

4: (1 18 4)

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