1: (0 3 19)

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

2: (1 21 4)

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

3: (0 3 19)

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

4: (2 21 6)

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