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

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

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

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

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