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