C312322331333132212111133133313331323133313221211111333132222131   >>    C31232233133313221211113313331333132313331322121111133313222213   <<    C312322331333132212111133133313331323133313221211111333132222133   >>      C312322331333132212111133133313331323133313221211111333132222132   >>