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