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