1: (0 6 8)

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

2: (5 11 7)

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

3: (3 16 8)

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

4: (1 20 9)

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