1: (2 8 11)

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

2: (5 12 10)

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

3: (4 9 6)

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

4: (2 16 7)

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