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