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