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

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

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

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

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