C312322331333132212111133133313331333133322131211113313113313223313112331312321   >>    C31232233133313221211113313331333133313332213121111331311331322331311233131232   <<    C312322331333132212111133133313331333133322131211113313113313223313112331312323   >>      C312322331333132212111133133313331333133322131211113313113313223313112331312322   >>