C312312111133131212111133133313331322331323223313231323131121132311   >>    C31231211113313121211113313331333132233132322331323132313112113231   <<    C312312111133131212111133133313331322331323223313231323131121132313   >>      C312312111133131212111133133313331322331323223313231323131121132312   >>