1: (0 1 15)

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

2: (4 15 21)

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

3: (2 19 13)

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

4: (12 17 14)

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