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

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

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

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

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