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

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

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

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

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