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