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

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

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

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

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