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

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

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

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

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