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