C2123132222131133131121131211113313231322331333132212111113331322322131   >>    C212313222213113313112113121111331323132233133313221211111333132232213   <<    C2123132222131133131121131211113313231322331333132212111113331322322133   >>      C2123132222131133131121131211113313231322331333132212111113331322322132   >>