C121212231313232233131323223313233313233313222213231323132313231311321   >>    C12121223131323223313132322331323331323331322221323132313231323131132   <<    C121212231313232233131323223313233313233313222213231323132313231311323   >>      C121212231313232233131323223313233313233313222213231323132313231311322   >>