C31232233133313221211113313331323133313233313233313231313231323132313231231   >>    C3123223313331322121111331333132313331323331323331323131323132313231323123   <<    C31232233133313221211113313331323133313233313233313231313231323132313231233   >>      C31232233133313221211113313331323133313233313233313231313231323132313231232   >>