C11111333133313232233133313331333131133132313311211113313221323133311321   >>    C1111133313331323223313331333133313113313231331121111331322132313331132   <<    C11111333133313232233133313331333131133132313311211113313221323133311323   >>      C11111333133313232233133313331333131133132313311211113313221323133311322   >>