1: (0 2 4)

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

2: (2 4 17)

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

3: (1 20 15)

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

4: (5 18 16)

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