1: (0 8 18)

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

2: (1 20 17)

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

3: (7 19 16)

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

4: (5 21 18)

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