1: (0 1 5)

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

2: (5 17 20)

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

3: (16 21 19)

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

4: (4 18 15)

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