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

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

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

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

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