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

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

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

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

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