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

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

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

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

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