1: (0 2 15)

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

2: (1 21 4)

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

3: (2 20 5)

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

4: (4 19 8)

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