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