C1111133313331323223313331333133313113313231333132212111111132313131   >>    C111113331333132322331333133313331311331323133313221211111113231313   <<    C1111133313331323223313331333133313113313231333132212111111132313133   >>      C1111133313331323223313331333133313113313231333132212111111132313132   >>