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

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

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

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

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