C31232233133313221211113313331333132322331322331323132313222311   >>    C3123223313331322121111331333133313232233132233132313231322231   <<    C31232233133313221211113313331333132322331322331323132313222313   >>      C31232233133313221211113313331333132322331322331323132313222312   >>