1: (0 4 17)

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

2: (1 20 11)

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

3: (3 16 5)

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

4: (4 19 7)

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