1: (0 1 15)

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

2: (5 15 21)

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

3: (2 18 11)

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

4: (4 13 6)

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