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

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

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

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

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