1: (0 2 3)

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

2: (2 6 14)

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

3: (5 16 7)

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

4: (11 19 15)

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