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

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

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

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

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