1: (5 8 12)

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

2: (10 12 13)

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

3: (4 9 7)

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

4: (8 19 12)

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