1: (0 3 7)

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

2: (1 20 4)

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

3: (3 12 5)

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

4: (4 11 6)

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