C132233133112121111331333133313331333132322331333133313332221223213331   >>    C13223313311212111133133313331333133313232233133313331333222122321333   <<    C132233133112121111331333133313331333132322331333133313332221223213333   >>      C132233133112121111331333133313331333132322331333133313332221223213332   >>