C111123313121111121111331333133313331333131121133133313331333132313232233132321   >>    C11112331312111112111133133313331333133313112113313331333133313231323223313232   <<    C111123313121111121111331333133313331333131121133133313331333132313232233132323   >>      C111123313121111121111331333133313331333131121133133313331333132313232233132322   >>