C3123223313331322121111331333131133133313132313233313231323132313221   >>    C312322331333132212111133133313113313331313231323331323132313231322   <<    C3123223313331322121111331333131133133313132313233313231323132313223   >>      C3123223313331322121111331333131133133313132313233313231323132313222   >>