1: (0 4 10)

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

2: (1 20 8)

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

3: (0 5 11)

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

4: (4 13 6)

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