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