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

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

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

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

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