1: (1 8 12)

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

2: (6 13 11)

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

3: (4 9 7)

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

4: (3 16 12)

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