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