C312322331333132212111133133313331323133313221211113313121111332333231   >>    C31232233133313221211113313331333132313331322121111331312111133233323   <<    C312322331333132212111133133313331323133313221211113313121111332333233   >>      C312322331333132212111133133313331323133313221211113313121111332333232   >>