1: (0 4 13)

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

2: (1 19 5)

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

3: (4 17 8)

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

4: (12 18 16)

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