(0 17 2)(1 7 5)(3 10 8)(4 20 19)(6 15 14)(9 13 11)(12 18 16)
ALLOWS (11/8)-SEQUENCE
1: (4 6 15)
(0 17 2)(1 7 5)(3 10 8)(4 14 6 20 19)(9 13 11)(12 18 16)(15)
2: (1 7 5)
(0 17 2)(1)(3 10 8)(4 14 6 20 19)(5)(7)(9 13 11)(12 18 16)(15)
3: (6 20 14)
(0 17 2)(1)(3 10 8)(4 14 19)(5)(6)(7)(9 13 11)(12 18 16)(15)(20)
4: (0 17 2)
(0)(1)(2)(3 10 8)(4 14 19)(5)(6)(7)(9 13 11)(12 18 16)(15)(17)(20)