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

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

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

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

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