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

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

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

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

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