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

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

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

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

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