C312322331333132212111133133313331323133313232313231323132333121   >>    C31232233133313221211113313331333132313331323231323132313233312   <<    C312322331333132212111133133313331323133313232313231323132333123   >>      C312322331333132212111133133313331323133313232313231323132333122   >>