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