1: (0 5 19)

(0)(1 17 13 11 3)(2 20 18 16 5 21 19)(4 9 6)(7 15 14)(8 12 10)

2: (2 20 18)

(0)(1 17 13 11 3)(2 16 5 21 19)(4 9 6)(7 15 14)(8 12 10)(18)(20)

3: (1 17 3)

(0)(1)(2 16 5 21 19)(3 13 11)(4 9 6)(7 15 14)(8 12 10)(17)(18)(20)

4: (2 16 19)

(0)(1)(2)(3 13 11)(4 9 6)(5 21 19)(7 15 14)(8 12 10)(16)(17)(18)(20)