1: (0 1 3)

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

2: (1 4 15)

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

3: (2 21 5)

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

4: (4 20 6)

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