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

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

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

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

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