C111123313121111121111331323133313331333132322133313133313331312321   >>    C11112331312111112111133132313331333133313232213331313331333131232   <<    C111123313121111121111331323133313331333132322133313133313331312323   >>      C111123313121111121111331323133313331333132322133313133313331312322   >>