C312322331333132212111133133313331323133313221211111211111222322321   >>    C31232233133313221211113313331333132313331322121111121111122232232   <<    C312322331333132212111133133313331323133313221211111211111222322323   >>      C312322331333132212111133133313331323133313221211111211111222322322   >>