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

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

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

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

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