1: (0 1 2)

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

2: (1 5 15)

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

3: (4 16 6)

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

4: (2 21 15)

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