C111123313121111121111331333133313231323132322331322331311333321   >>    C11112331312111112111133133313331323132313232233132233131133332   <<    C111123313121111121111331333133313231323132322331322331311333323   >>      C111123313121111121111331333133313231323132322331322331311333322   >>