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

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

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

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

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