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

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

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

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

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