C3123223313331322121111331333131133133313311213331323133313231121111   >>    C312322331333132212111133133313113313331331121333132313331323112111   <<    C3123223313331322121111331333131133133313311213331323133313231121113   >>      C3123223313331322121111331333131133133313311213331323133313231121112   >>