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