1: (0 1 15)

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

2: (6 15 21)

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

3: (5 16 14)

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

4: (1 20 15)

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