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

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

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

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

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