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

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

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

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

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