1: (0 12 19)

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

2: (0 4 9)

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

3: (1 20 7)

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

4: (3 10 5)

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