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

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

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

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

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