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