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

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

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

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

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