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