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

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

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

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

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