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