C132233133112121111331333133313331333132322331333133311233112121   >>    C13223313311212111133133313331333133313232233133313331123311212   <<    C132233133112121111331333133313331333132322331333133311233112123   >>      C132233133112121111331333133313331333132322331333133311233112122   >>