C312322331333132212111133133313331323223313223313231323132311211   >>    C31232233133313221211113313331333132322331322331323132313231121   <<    C312322331333132212111133133313331323223313223313231323132311213   >>      C312322331333132212111133133313331323223313223313231323132311212   >>