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