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