1: (1 3 15)

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

2: (0 4 2)

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

3: (3 19 5)

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

4: (9 20 18)

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