1: (4 11 20)

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

2: (0 13 8)

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

3: (3 9 6)

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

4: (1 20 15)

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