C3213322333133313113313221211113313331333132313231333131121312321   >>    C321332233313331311331322121111331333133313231323133313112131232   <<    C3213322333133313113313221211113313331333132313231333131121312323   >>      C3213322333133313113313221211113313331333132313231333131121312322   >>