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

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

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

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

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