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

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

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

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

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