C132233133112121111331333133313331333132322331333133313233211111233221   >>    C13223313311212111133133313331333133313232233133313331323321111123322   <<    C132233133112121111331333133313331333132322331333133313233211111233223   >>      C132233133112121111331333133313331333132322331333133313233211111233222   >>