C132233133112121111331333133313331333132322331333133313232212111113233333121   >>    C13223313311212111133133313331333133313232233133313331323221211111323333312   <<    C132233133112121111331333133313331333132322331333133313232212111113233333123   >>      C132233133112121111331333133313331333132322331333133313232212111113233333122   >>