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

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

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

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

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