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