1: (0 1 15)

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

2: (4 15 21)

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

3: (2 17 12)

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

4: (11 16 13)

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