1: (0 2 15)

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

2: (5 15 20)

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

3: (4 17 8)

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

4: (13 18 16)

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