C111113331333132322331333133313331333132313331333131133133322321111331311311321   >>    C11111333133313232233133313331333133313231333133313113313332232111133131131132   <<    C111113331333132322331333133313331333132313331333131133133322321111331311311323   >>      C111113331333132322331333133313331333132313331333131133133322321111331311311322   >>