1: (0 2 15)

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

2: (1 19 3)

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

3: (2 17 6)

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

4: (14 18 16)

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