C3213322333133313113313221211113313331333131131233232213133112321   >>    C321332233313331311331322121111331333133313113123323221313311232   <<    C3213322333133313113313221211113313331333131131233232213133112323   >>      C3213322333133313113313221211113313331333131131233232213133112322   >>