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

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

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

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

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