(0 19 17 15 2)(1 9 3)(4 14 6)(5 12 10 8 7)(11 16 13)(18 21 20)
ALLOWS (11/8)-SEQUENCE
1: (0 5 12)

(0 10 8 7 5 19 17 15 2)(1 9 3)(4 14 6)(11 16 13)(12)(18 21 20)
2: (4 14 6)

(0 10 8 7 5 19 17 15 2)(1 9 3)(4)(6)(11 16 13)(12)(14)(18 21 20)
3: (11 16 13)

(0 10 8 7 5 19 17 15 2)(1 9 3)(4)(6)(11)(12)(13)(14)(16)(18 21 20)
4: (5 15 10)

(0 10 2)(1 9 3)(4)(5 8 7)(6)(11)(12)(13)(14)(15 19 17)(16)(18 21 20)