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