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

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

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

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

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