1: (0 1 2)

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

2: (1 15 18)

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

3: (5 20 17)

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

4: (14 19 16)

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