C1111233133313231133133313331323133313113313121111331333131323211121   >>    C111123313331323113313331333132313331311331312111133133313132321112   <<    C1111233133313231133133313331323133313113313121111331333131323211123   >>      C1111233133313231133133313331323133313113313121111331333131323211122   >>