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

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

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

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

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