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