1: (0 1 7)

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

2: (4 7 20)

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

3: (3 8 5)

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

4: (1 11 7)

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