C312322331333132212111133133313331323133313221211113313331313222131   >>    C31232233133313221211113313331333132313331322121111331333131322213   <<    C312322331333132212111133133313331323133313221211113313331313222133   >>      C312322331333132212111133133313331323133313221211113313331313222132   >>