1: (4 6 7)

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

2: (1 7 11)

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

3: (0 9 3)

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

4: (1 8 6)

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