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