C312322331333132212111133133313331323133313221211113313112123331   >>    C31232233133313221211113313331333132313331322121111331311212333   <<    C312322331333132212111133133313331323133313221211113313112123333   >>      C312322331333132212111133133313331323133313221211113313112123332   >>