C132233133112121111331333133313331333132322331333133323213233231   >>    C13223313311212111133133313331333133313232233133313332321323323   <<    C132233133112121111331333133313331333132322331333133323213233233   >>      C132233133112121111331333133313331333132322331333133323213233232   >>