C312322331333132212111133133313331323133313221211113313211232313331333123321   >>    C31232233133313221211113313331333132313331322121111331321123231333133312332   <<    C312322331333132212111133133313331323133313221211113313211232313331333123323   >>      C312322331333132212111133133313331323133313221211113313211232313331333123322   >>