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

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

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

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

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