1: (0 4 10)

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

2: (2 11 9)

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

3: (1 6 3)

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

4: (4 12 18)

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