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

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

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

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

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