C312322331333132212111133133313331323133313221211111333131113231231   >>    C31232233133313221211113313331333132313331322121111133313111323123   <<    C312322331333132212111133133313331323133313221211111333131113231233   >>      C312322331333132212111133133313331323133313221211111333131113231232   >>