1: (0 1 13)

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

2: (11 13 21)

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

3: (9 15 12)

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

4: (6 20 13)

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