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

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

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

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

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