C132233133112121111331333133313331311331313331333131133131121313321   >>    C13223313311212111133133313331333131133131333133313113313112131332   <<    C132233133112121111331333133313331311331313331333131133131121313323   >>      C132233133112121111331333133313331311331313331333131133131121313322   >>