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

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

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

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

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