C132233133112121111331333133313331333132322331333133313233211111123322321   >>    C13223313311212111133133313331333133313232233133313331323321111112332232   <<    C132233133112121111331333133313331333132322331333133313233211111123322323   >>      C132233133112121111331333133313331333132322331333133313233211111123322322   >>