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