C31232233133313221211113313331323133313233313233313231323223321   >>    C3123223313331322121111331333132313331323331323331323132322332   <<    C31232233133313221211113313331323133313233313233313231323223323   >>      C31232233133313221211113313331323133313233313233313231323223322   >>