C313212111133131211331333133313331333132212113313331322331322311321   >>    C31321211113313121133133313331333133313221211331333132233132231132   <<    C313212111133131211331333133313331333132212113313331322331322311323   >>      C313212111133131211331333133313331333132212113313331322331322311322   >>