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