C31232233133313221211113313331333132322331322331323132313231311   >>    C3123223313331322121111331333133313232233132233132313231323131   <<    C31232233133313221211113313331333132322331322331323132313231313   >>      C31232233133313221211113313331333132322331322331323132313231312   >>