1: (0 1 16)

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

2: (5 16 21)

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

3: (4 17 10)

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

4: (1 20 16)

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