1: (0 2 4)

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

2: (4 8 19)

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

3: (1 10 5)

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

4: (7 13 9)

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