C132233133112121111331333133313331333132322331333133313232212111113332323321   >>    C13223313311212111133133313331333133313232233133313331323221211111333232332   <<    C132233133112121111331333133313331333132322331333133313232212111113332323323   >>      C132233133112121111331333133313331333132322331333133313232212111113332323322   >>