1: (0 1 15)

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

2: (8 15 21)

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

3: (7 18 14)

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

4: (6 19 15)

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